Hello @Susan Your Tutor
Welcome to Microsoft Q&A Platform,
If the KB does not appear via Windows Update you should be able to download it manually from Windows Catalog, more info below:
https://support.microsoft.com/en-au/topic/december-14-2021-kb5008215-os-build-22000-376-868d2c2f-a201-456e-be42-d95c794bebf0
https://www.catalog.update.microsoft.com/Search.aspx?q=KB5008215
I hope this helps!
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