reg delete HKLM\SYSTEM\CurrentControlSet\Control\Nls\Language /v InstallLanguage /f reg delete HKLM\SYSTEM\CurrentControlSet\Control\Nls\Language /v Default /f reg add HKLM\SYSTEM\CurrentControlSet\Control\Nls\Language /v InstallLanguage /t REG_SZ /d 040b /f reg add HKLM\SYSTEM\CurrentControlSet\Control\Nls\Language /v Default /t REG_SZ /d 1035 /f powershell.exe Set-WinUILanguageOverride -Language fi-fi powershell.exe Set-WinUserLanguageList fi-fi -Force pause