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    Essentially speaking none of the "non-main" partitions are crucial. You should be able to rebuild the EFI partition with bcdboot. Just make sure it has the correct partition type (GUID), otherwise the main installation might be broken after a failed boot due to the wrong type. Personally I have been living without the other two (by installing with diskpart/dism/bcdboot) since I never saw the point of them. I am not a heavy Windows user though and I reinstall every couple months.
    – Tom Yan
    Commented May 26, 2022 at 5:34