How to change Welcome Screen Language in Windows 10
Sometimes you find that the welcome screen language is showing in another language than the language installed on your computer, this normally happens because the System language of your whole computer is not changed. You may have changed your display language and did not change the welcome screen language of your PC and so the welcome screen language remains the same as your previous default language. I will show you How you can ‘Change the Windows 10 welcome screen language of your PC’.
To change Windows 10 welcome screen display language, you only need to follow some steps and welcome screen display language of your PC will change to the default language. Before you change the welcome screen language you have to change the display language of your PC.
Read "How to change the display language in Windows 10"
Follow the below steps and ‘Change the Welcome Screen and System Account Language in Windows 10’.
Step 1. Go to control panel from start menu
Step 2. Click ‘Clock and Region’
Step 3. Then click on Region, a new dialogue box will appear
Step 4. Go to administrative tab
Step 5. Click on copy settings, again a new dialogue box will appear on your screen
Step 6. Tick the ‘Welcome screen and system accounts’ option at the bottom of the same dialogue box. Then Click ok. It may ask you to restart your PC, click on ‘Restart PC’ so that your PC restart with the change language.
The welcome screen and system language will change to your default display language. Now you will be able to operate in your own language. Following the above few steps, you can change your System language to your desired language.