But that's not the only way to check if your device will work with the free Windows 11 update. Read on for all of your options for checking Windows 11 device compatibility. With the Windows 11 release date finally past (remember, however, that it'll be a staggered rollout), it's a good idea to check your own computer. If your device doesn't meet eligibility requirements, you may need to replace your PC by 2025 as Microsoft will phase out Windows 10 over the next several years.