Windows 10: unable to change display language setting to simplified Chinese

When attempting to add a language, in the "choose a language to install" tab both Singapore simplified Chinese and China simplified Chinese are grey and I can not click on them for installation.

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Cannot set Chinese Simplified as Display Language

I have added Chinese Simplified to the system languages, and I am able to use it as input. When I try to change the display language in the control panel, my only options are "Use language list" and "English (US)." In settings, when I select Chinese simplified
options, it only allows me to change the keyboard. Am I missing a setting to change the display language, or is Chinese simplified not supported as a display language?

 

Cannot set Chinese Simplified as Display Language

It is set as the default. I have tried changing the default back to English, restarting, setting Chinese simplified as the default, and restarting. The display language is still English.

 

Cannot select simplified Chinese as display language.

Hi, my new laptop preinstalled win11 but I can't select simplified Chinese as display language, any other languages works but simplified Chinese, even traditional Chinese works but only simplified Chinese shows gray and can't be selected (both PRC and Singapore). I tried change the location and also tried reset the system, but still doesn't work. I really need help, plz.

Edition Windows 11 Home

Version 21H2

Installed on ‎21/‎6/‎2022

OS build 22000.739

Experience Windows Feature Experience Pack 1000.22000.739.0