Debloat Windows with Admin Powershell
Remove all preinstalled bloatware (these apps can be redownloaded again through the Microsoft Store):
Get-AppxPackage -AllUsers | Remove-AppxPackage
Optionally, adding back Microsoft Store:
Get-AppxPackage -allusers Microsoft.WindowsStore | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml"}
Enable the built in CompactOS feature, to reclaim storage space:
Compact.exe /CompactOS:always