Windows 10 End of Support - What It Means for Your Business
Microsoft has confirmed that Windows 10 will reach end of support on 14 October 2025. After this date, the operating system will continue to function, but Microsoft will no longer release free security updates, bug fixes, or technical support. For businesses, this is not a theoretical risk - it creates a genuine and growing vulnerability in your IT estate. Every month that passes after end of support increases the likelihood that an unpatched vulnerability will be discovered and exploited by attackers.
The implications extend beyond security. Many software vendors align their support cycles with the underlying operating system. Once Windows 10 falls out of support, you may find that newer versions of business-critical applications no longer support it. Cyber insurance providers are also increasingly scrutinising the software versions running across a business - operating unsupported systems could affect your coverage. If your organisation is subject to compliance frameworks such as Cyber Essentials, running unsupported operating systems will cause you to fail certification.
Microsoft has introduced an Extended Security Updates (ESU) programme that allows businesses to continue receiving critical security patches for Windows 10 after end of support - for a fee. This can be a useful bridge for organisations that cannot complete their migration in time, but it is not a long-term solution. ESU pricing increases year on year, and it only covers security updates, not feature improvements or broader support. The clear direction is that every business needs to plan a move to Windows 11.
Understanding Windows 11 Hardware Requirements
One of the most significant differences between the Windows 10 and Windows 11 rollouts is the hardware requirements. Windows 11 has a strict set of minimum hardware specifications that many existing business devices do not meet. This is not simply about processing power or memory - it involves specific security features that must be present in the hardware itself.
The key hardware requirements for Windows 11 are:
TPM 2.0 (Trusted Platform Module) - This is a security chip, either discrete or built into the CPU, that handles encryption keys and secure boot processes. Most business laptops and desktops manufactured from around 2018 onwards include TPM 2.0, but it may be disabled in the BIOS by default. Older devices may only have TPM 1.2, which is not sufficient for Windows 11.
Secure Boot - Windows 11 requires UEFI firmware with Secure Boot capability enabled. This prevents unauthorised software from loading during the startup process. Most modern business machines support this, but legacy BIOS configurations will not pass the compatibility check.
CPU compatibility - Microsoft maintains a specific list of supported processors. Generally, Intel 8th generation (Coffee Lake) and later, or AMD Ryzen 2000 series and later, are supported. This requirement has been the most contentious, as many perfectly capable devices with slightly older processors are excluded from official support.
RAM and storage - A minimum of 4 GB of RAM and 64 GB of storage is required, though for practical business use you should be looking at 8 GB or 16 GB of RAM and a 256 GB SSD as a realistic minimum specification.
Display - A display larger than 9 inches with 720p resolution is required. This is not typically an issue for business devices but may affect some ultra-compact form factors.
These requirements exist for good reason. TPM 2.0 and Secure Boot form the foundation of Windows 11's enhanced security model, supporting features like BitLocker device encryption, Windows Hello for Business, and credential isolation. They represent a genuine step forward in platform security rather than arbitrary barriers.
Assessing Your Current Estate
Before you can plan your migration, you need a clear and accurate picture of your current device estate. This assessment should cover every device in your organisation - not just the ones you know about. Shadow IT devices, machines used by contractors, and forgotten endpoints in branch offices all need to be accounted for.
A thorough estate assessment should capture:
Device inventory - Every laptop, desktop, and workstation, including manufacturer, model, age, and current specification (CPU, RAM, storage, TPM version).
Windows 11 compatibility status - Which devices meet all hardware requirements, which can be made compatible with BIOS changes (enabling TPM or Secure Boot), and which are fundamentally incompatible.
Application inventory - Every application installed across your estate, including version numbers and whether it is business-critical, important, or peripheral.
Peripheral and hardware dependencies - Printers, scanners, specialist equipment, and any devices that rely on specific drivers which may not be available for Windows 11.
User profiles - Understanding which users have specialist requirements, accessibility needs, or roles that make them particularly sensitive to changes in their computing environment.
If your devices are managed through Microsoft Intune or Microsoft Endpoint Configuration Manager (MECM, formerly SCCM), you can generate compatibility reports directly from these tools. Microsoft also provides the PC Health Check application that can assess individual devices. For a comprehensive estate-wide view, your IT support provider should be able to run a full audit using remote management tools and deliver a clear report showing exactly where you stand.
Planning Your Migration Timeline
A Windows 11 migration is not something you should attempt as a single big-bang event. The most successful migrations follow a phased approach that allows you to identify and resolve issues at each stage before scaling up. Working with an IT strategy and roadmapping partner can help you build a realistic timeline that accounts for your specific circumstances.
Phase 1 - Assessment and Planning (4 to 8 Weeks)
Complete your estate assessment, identify incompatible hardware, catalogue applications that need compatibility testing, and define your deployment strategy. This is also the time to secure budget approval for any hardware refresh that will be needed and to engage with your software vendors about Windows 11 support for their applications.
Phase 2 - Pilot Group (2 to 4 Weeks)
Deploy Windows 11 to a small group of technically confident users across different departments. These pilot users should represent a cross-section of your business - someone from finance, someone from sales, someone from operations - so that you can identify application compatibility issues, workflow disruptions, and training needs before the wider rollout. Pilot users should be briefed on their role and encouraged to report any issues, no matter how minor.
Phase 3 - Staged Rollout (4 to 12 Weeks)
Based on pilot feedback, refine your deployment process and begin rolling out to the wider organisation in manageable waves. The size of each wave depends on the capacity of your IT support team to handle queries and issues. A typical approach is to migrate one department or office location at a time, allowing your support team to focus their attention and build expertise as they go.
Phase 4 - Cleanup and Optimisation (2 to 4 Weeks)
After the main rollout is complete, address any remaining devices, resolve outstanding issues, decommission old hardware, and update your documentation and IT asset records. This is also the time to ensure your proactive monitoring tools are correctly configured for the new operating system and that your security baselines are applied consistently across the updated estate.
Windows Autopilot - Streamlining Your Deployment
Windows Autopilot is Microsoft's cloud-based deployment technology, and it can significantly simplify your Windows 11 rollout. Rather than creating and maintaining custom operating system images, Autopilot uses the factory-installed Windows 11 image on a new device and automatically configures it according to your organisation's policies when a user first signs in.
The benefits of Autopilot for a Windows 11 migration are substantial:
Zero-touch provisioning - New devices can be shipped directly to users from the manufacturer or reseller. When the user powers on the device and signs in with their work account, Autopilot takes over - joining the device to Entra ID (formerly Azure AD), enrolling it in Intune, installing required applications, and applying security policies. No IT intervention is needed at the device.
Consistent configuration - Every device deployed through Autopilot receives exactly the same configuration, regardless of who sets it up or where they are located. This eliminates the inconsistencies that creep in with manual setup processes.
Remote-friendly - Because Autopilot is cloud-based, it works anywhere with an internet connection. You do not need to bring devices into the office or ship them to your IT team for configuration. This is particularly valuable for organisations with remote or distributed workforces.
Reset and repurpose - Autopilot also supports device reset scenarios, allowing you to wipe and reconfigure existing devices quickly. This is useful for repurposing compatible devices during a migration or setting up a machine for a new user.
To take advantage of Autopilot, you will need Microsoft Intune (included in Microsoft 365 Business Premium and Enterprise plans) and Entra ID. If your organisation is not yet using these tools, your Windows 11 migration can be a good catalyst to adopt modern Microsoft 365 management practices alongside the operating system upgrade.
Application Compatibility Testing
Application compatibility is typically the area that causes the most concern during a Windows migration, but the reality for Windows 11 is generally positive. Microsoft has stated that applications which ran on Windows 10 should run on Windows 11, and in practice this holds true for the vast majority of mainstream business software. However, "should" and "will" are different things, and you cannot afford to assume compatibility without testing.
Focus your testing effort on the areas that matter most:
Line-of-business applications - Your core business applications, whether they are accounting systems, practice management software, ERP solutions, or industry-specific tools, should be your top priority. Contact the vendor to confirm Windows 11 support and test thoroughly in your pilot phase.
Legacy and bespoke applications - Older applications, particularly those built in-house or heavily customised, are the most likely to encounter compatibility issues. Applications that use older frameworks, rely on specific registry settings, or require administrative privileges may need attention.
Browser-based applications - Most modern web applications are browser-agnostic and will work fine on Windows 11. However, if you have internal web applications that were built for Internet Explorer, you will need to test them in Microsoft Edge's IE mode and plan for eventual modernisation.
Hardware-dependent software - Software that interfaces with physical hardware - point-of-sale systems, laboratory equipment, manufacturing controllers - may have driver dependencies that need to be validated for Windows 11.
Microsoft's App Assure programme offers free compatibility assistance for ISV applications, and the Test Base for Microsoft 365 service allows you to test applications in a cloud environment against new Windows builds before deploying them.
User Training and Change Management
The visual and functional differences between Windows 10 and Windows 11 are meaningful but manageable. The Start menu has moved to the centre of the taskbar (though it can be returned to the left), the right-click context menu has been redesigned, the Settings app has been reorganised, and Snap Layouts offer new window management capabilities. For most users, the adjustment period is a matter of days rather than weeks.
However, even minor changes can cause frustration and productivity loss if users are not prepared. A good change management approach does not need to be elaborate, but it does need to exist:
Communicate early and often - Let your team know the migration is coming, why it is happening, and what to expect. People resist change less when they understand the reasoning behind it.
Provide targeted training - Short video guides or live demonstrations covering the key interface changes are more effective than lengthy manuals. Focus on the changes that will affect daily workflows - where the Start menu is, how to use Snap Layouts, and where to find settings that have moved.
Establish a clear support channel - Make sure users know who to contact and how when they encounter issues after migration. A dedicated Teams channel or a temporary "Windows 11 help" email address can help capture questions efficiently and build a useful FAQ.
Use pilot users as champions - Your pilot group can become advocates for the new system and informal first-line support within their departments. Equip them with knowledge and encourage them to help colleagues.
Licensing Considerations
Windows 11 licensing follows the same model as Windows 10, with most businesses choosing between Windows 11 Pro and Windows 11 Enterprise. If your devices currently run Windows 10 Pro, you have an upgrade path to Windows 11 Pro at no additional licence cost, provided the hardware meets the requirements. Windows 11 Enterprise requires a Microsoft 365 E3 or E5 subscription, or a standalone Windows 11 Enterprise E3/E5 licence.
For most UK SMBs, Windows 11 Pro - included with Microsoft 365 Business Premium - provides all the features you need, including BitLocker encryption, Windows Information Protection, Remote Desktop, and Hyper-V. Enterprise adds additional capabilities around advanced threat protection, app virtualisation (App-V and MSIX), and more granular update management through Windows Update for Business, which are typically relevant for larger organisations with more complex requirements.
The licensing picture becomes more important when you consider devices that need hardware replacement. New devices should come with Windows 11 Pro pre-installed (OEM licence), which is typically the most cost-effective route. Alternatively, if you are purchasing through a volume licensing agreement, speak with your licensing provider about the most efficient way to handle the transition.
Managing the Hardware Refresh
For many organisations, a Windows 11 migration will inevitably include a hardware refresh for some portion of the estate. Devices that cannot meet the TPM 2.0, Secure Boot, or CPU requirements cannot officially run Windows 11. While there are workarounds to install Windows 11 on unsupported hardware, Microsoft explicitly states that these devices will not be entitled to receive updates and may not function correctly. For business use, running unsupported configurations is simply not a viable option.
Approach the hardware refresh strategically:
Prioritise by role and age - Replace the oldest and least capable devices first, particularly those used by staff in roles where performance and reliability directly affect productivity or customer service.
Standardise your specification - Use the refresh as an opportunity to standardise on a small number of device models. This simplifies support, spare parts management, and future procurement. Most businesses can be well served by two or three standard configurations covering general office use, power users, and mobile workers.
Consider the total cost of ownership - The cheapest device is not always the most economical choice over a three to five year lifecycle. Investing in quality business-grade hardware from manufacturers like Dell, Lenovo, or HP pays dividends in reliability, warranty support, and longevity.
Plan for sustainable disposal - Old devices should be securely wiped and responsibly recycled. Many IT providers and manufacturers offer trade-in or recycling programmes. Ensure you receive certificates of data destruction for any devices leaving your control.
Align your hardware refresh cycle with your Windows 11 migration rather than treating them as separate projects. This reduces disruption, consolidates planning effort, and ensures that every new device is deployed with the target operating system from day one. A digital transformation partner can help you build a business case that accounts for both the migration costs and the long-term savings from a modernised, standardised estate.
Managing the Transition Alongside Daily Operations
One of the most common challenges with any IT migration is managing it alongside the day-to-day demands of running a business. Your staff need to keep working while their tools change around them, and your IT team (whether internal or external) needs to balance migration work with ongoing support responsibilities.
Practical approaches to minimising disruption include:
Schedule migrations outside peak hours - Where possible, schedule device upgrades or replacements for the start or end of the working day, or during quieter periods. An Autopilot-driven deployment can significantly reduce the time a user is without their primary device.
Maintain a pool of loan devices - Having a small stock of pre-configured loan laptops means users can continue working while their primary device is being upgraded or replaced. This is particularly important for staff in customer-facing or time-sensitive roles.
Use cloud-based profiles and data - If your users' data, settings, and applications are stored in the cloud through OneDrive, SharePoint, and Intune-managed applications, the transition from one device to another becomes much smoother. This is another reason why aligning your Windows 11 migration with Microsoft 365 management improvements makes good sense.
Set realistic expectations - Communicate the migration schedule clearly to the business and be transparent about what will and will not change. Overpromising a seamless experience is worse than honestly preparing people for a short period of adjustment.
Getting Started with Your Migration
A Windows 11 migration is a significant but entirely manageable project when approached with proper planning and realistic timelines. The organisations that will struggle are those that leave it until the last minute, try to rush the process, or treat it purely as a technical exercise without considering the human and business dimensions.
Start by understanding your current estate, identify the gaps, build a phased plan, and give yourself enough time to do it properly. If you do not have the internal resources to manage the migration alongside your ongoing IT operations, working with a managed IT support provider can take the burden off your team and ensure the project is delivered smoothly.
At Coffee Cup Solutions, we have helped businesses of all sizes plan and execute their Windows 11 migrations. From estate assessments and hardware procurement through to Autopilot deployment and post-migration support, we handle the entire process so you can focus on running your business. Our IT strategy and roadmapping service can help you build a migration plan that fits your budget, timeline, and business priorities.
Get in touch today to discuss your Windows 11 migration. Whether you are just starting to think about it or you have already begun and need expert support, we are here to help.