Update Imported Image

Update-OSMedia -Name 'Windows 11 Pro N x64 21H2 22000.318' -Download -Execute

Replace Name with your actual Imported Media (C:\OSDBuilder\OSImport)

Optionally download also optional updates

Save-OSDBuilderDownload -UpdateOS 'Windows 11' -UpdateBuild 21H2 -UpdateArch x64 -UpdateGroup Optional -Download