"MUI can be also installed on Professional edition Run CMD as administrator and type: DISM /Online /Add-Package /PackagePath:(path to lp) then: bcdedit /set {current} locale (your locale) and: bcdboot %WinDir% /l (your locale) Then in registry: HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlMUIUILanguages remove key en-US Reboot and it's done"