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You may try the steps below and check if it can resolve the issue and get the Windows games back.
In the Search bar type in Control Panel
In the Control Panel Window that opens up select
Programs and Features
Towards the top left you have an option
Turn Windows Features On or Off
Click the Turn Windows Features On or Off
option and select the Games option to enable it.
Hope this information was useful.
Varun J: MICROSOFT SUPPORT
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