Download Windows 11 Installation Assistant for Windows 10, 11 - Prepare your computer for upgrading or updating Windows 10 by checking for compatibility issues and downloading all necessary files
Windows 11 Installation Assistant (Windows 11 Update Assistant) is designed to prepare your computer for upgrading or updating Windows 10 by checking for compatibility issues and downloading all necessary files to start the install. Note that you can also upgrade to version 11 with an older version to a newer major version of this wizard. Unlike Windows 11 Media Creation Tool, this program cannot create installation media.
Holders of a valid Windows 10 license can upgrade to Windows 11 for free at any time. Updates are made through the internal Windows Update feature or through supporting tools such as the Media Creation Tool or the Windows 11 Setup Wizard. Activation requires a valid Windows 10 or Windows license 11. Normally, users do not have to enter the key when installing Windows 11. because it is already stored in the motherboard's UEFI. If that's not the case, simply entering the old Windows 10/11 key should suffice.
Beyond that, Windows 11 Update Assistant is geared towards advanced users and IT departments looking to get the latest large updates, for example, the Fall Creators Update.
In other words, Microsoft Windows 11 Update Assistant can download updates that are available but not in your Windows Updates yet. Everyone will eventually get the larger updates through Windows Updates