: Always back up important files to an external drive or cloud service before starting a clean install or major update.
: Ensure your PC meets the minimum requirements, including TPM 2.0 , Secure Boot, and a compatible 64-bit processor. windows-11-22h2-22621-521-aio
: Select the option to Keep personal files and apps to ensure your data isn't lost during the transition. 3. Manual Update via Installation Assistant If the update isn't appearing in Windows Update: : Always back up important files to an
The identifier refers to an "All-in-One" (AIO) installation package for the Windows 11 2022 Update . Specifically, Build 22621.521 is a version that includes the cumulative update KB5017321 . An AIO package typically bundles multiple editions (like Home, Pro, and Enterprise) into a single installer for convenience. Pre-Installation Checklist An AIO package typically bundles multiple editions (like
: Insert the USB, restart your PC, and press the boot menu key (often F12, F10, or F9 depending on your manufacturer) to select the USB drive.
: Choose Custom: Install Windows only (advanced) . Delete existing partitions to create "Unallocated Space," then select it and click Next to begin the installation. 2. In-Place Upgrade (Keep Files and Apps)