Dear ΒΑΣΙΛΕΙΟΣ ΓΙΑΝΝΟΠΟΥΛΟΣ,
Open (PowerShell) As Admin and run the following 2 Commands in order:
-
Install-Language el-GR -ErrorAction SilentlyContinue -
Set-WinUILanguageOverride el-GR; Set-WinSystemLocale el-GR; Set-Culture el-GR; Set-WinHomeLocation -GeoId 98; $U = New-WinUserLanguageList el-GR; Set-WinUserLanguageList $U -Force ; Copy-UserInternationalSettingsToSystem -WelcomeScreen $True -NewUser $True - Restart your Computer.
++ Check "Settings > Time & language > Language & region" and remove English & make sure that (Greek) is set to preferred --> Restart Again.
// Later on, you can add the English Keyboard again as secondary not primary one //
Regards,