- install Multilingual App Toolkit https://marketplace.visualstudio.com/items?itemName=dts-publisher.mat2022
- create dir
MyApp/Strings/en-US/
- open solution manager in VS, right click on the dir
en-US
-> Add -> New - select
C# -> WinUI -> Resource
About: Across the Great Wall, we can reach every corner in the world
MyApp/Strings/en-US/
en-US
-> Add -> NewC# -> WinUI -> Resource