Install Windows 11 25H2 Example:
Download KB5064081: https://www.catalog.update.microsoft.com/Search.aspx?q=KB5064081
Install Msu file:
Add-WindowsPackage -Online -PackagePath "C:\windows11.0-kb5064081-x64_a1096145ded3adfc26f8f23442281533429f0e38.msu"
Download Enablement package: https://uupdump.net/getfile.php?id=b8bb9d42-dc6b-4967-9c4f-348a8889622b&file=Windows11.0-KB5054156-x64.cab
Install Cab file:
dism /online /add-package /packagepath:C:\a3f5945e-979c-4e6b-8d06-01a191cd831d.cab