W1011langpackps1 _top_ -
Re-apply the latest Monthly Quality Update . This is critical because installing a language pack can "reset" shared files, and a fresh update ensures all localized components are fully patched. Current Status and Alternatives
It uses the command Add-WindowsCapability or Add-AppxPackage to install the language features. w1011langpackps1
: Since it targets the "System Preferred" UI level, it is more robust than user-level settings which can often be reverted or changed by individual employees. Ease of Use Re-apply the latest Monthly Quality Update