Help I can not play on my pc

Hi, good morning, I have a problem, I can not start the game from my pc, a few hours ago I was playing without problems, but now I can not start it from the store or from the xbox application, what can I do?

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> 2533274795989877;1:
> Hi, good morning, I have a problem, I can not start the game from my pc, a few hours ago I was playing without problems, but now I can not start it from the store or from the xbox application, what can I do?

Maybe try opening up Cortana (Search bar) on the bottom left of your screen and searching **Halo Wars: Definitive Edition.**Reply back if this works or not.

Thanks for replying, but it did not work, I had to go back to an earlier version of Windows 10, I can already play