: Use the cd command to go to where your language pack .cab or .esd file is located.
Dism /Online /Add-Package /PackagePath:D:\LanguagesAndOptionalFeatures\Microsoft-Windows-Client-Language-Pack_x64_ru-ru.cab . 5. Essential Components: Features on Demand (FOD) Microsoft Windows 10 Language Pack Offline Install -Extra
⚠️ Avoid third-party “language pack downloader” tools or unofficial websites – they often contain malware or cause system instability. : Use the cd command to go to where your language pack
This will open the Region and Language settings. Select the newly installed language and click "Set as default". Microsoft Windows 10 Language Pack Offline Install -Extra
Install Text-to-Speech: