Hello,
You can try to install it manually.
Find it from app store page in web (for example clipchamp, if it is not your product, try to change it): https://apps.microsoft.com/detail/9p1j8s7ccwwt?hl=en-US&gl=US
Copy link above to the input box in: https://store.rg-adguard.net/
Find the package you need and install it manually
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