Your PC must meet the following requirements to be eligible for the Windows 11 upgrade: When your PC is ready, a big popup will appear in Windows Update that will allow you to initiate the download and install process, and Windows will do the rest. Microsoft is taking a measured and phased approach to the rollout, however, meaning not everybody will be offered the update immediately. Windows 11 is now generally available as an update for eligible Windows 10 PCs. Source: Microsoft (Image credit: Source: Microsoft)