How to update Windows 10 EOL versions. With Windows 10 reaching end of life. Updating to supported versions is critical to avoid security risks and performance issues. Let's walk through how to upgrade outdated Windows 10 systems safely. Before we begin, be sure to subscribe to Ninja One's IT Video Hub for more tech content like this. A quick background, Microsoft officially ends support for Windows 10 on October 14th, 2025, but some builds like 21 H two, and 20 H two have already reached their end of life dates. That means no more security updates, bug fixes or support. Running these outdated versions put systems at risk of malware and software incompatibility steps to update. So how do you update Windows 10 EOL versions? First, check your devices compatibility with Windows 11. Microsoft's website lists the minimum requirements. If your hardware qualifies, you can proceed with the update. If it doesn't, you'll either need to upgrade your hardware or stay on Windows 10 and manage risk accordingly. Before updating, backup all critical files while upgrades typically keep your data intact. Backup ensures you're protected in case of failure. Then update your existing Windows 10 installation. Go to settings, Update and security windows. Update and install any available updates. This ensures compatibility for a smoother upgrade. Next, download the Windows 11 installation assistant from Microsoft. This tool checks your hardware and guides you through the upgrade. You'll be asked whether to keep personal files and apps or start fresh. Select what suits your setup, then run the installer. The upgrade process can take time, so plug in your device and don't interrupt it. Once done, go through the setup screens and adjust your privacy and user settings. After logging in, check for any new updates and windows update to ensure everything is current, clean installs and troubleshooting. If you opted for a clean install, restore your backed up files and reinstall applications. Make sure everything runs smoothly before marking the upgrade complete. But what if issues pop up? Compatibility problems may prevent the upgrade, either from outdated hardware or unsupported drivers. Visit your manufacturer's site to get the latest drivers. If apps stop working, post upgrade, look for patches or updated versions, and if any files went missing, restore them from backup immediately. Summing it up with the clock ticking on Windows 10. Upgrading to Windows 11. Keeps your system secure, compliant and compatible. Follow these steps to transition smoothly and don't wait until the final deadline. For more information, check out our official blog post on updating Windows 10 EOL versions linked in the description below.