I’ve just tested the Task Scheduler and yes - it works perfectly on Windows 11. Here are a couple of screenshots.
[1] Run with highest privileges

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[2] Configure the Trigger to be At system startup

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[3] Select the location of your script

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[4] Uncheck this check box if you want to run it even if your laptop/desktop is not on AC power

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That’s it.
Alternatively, use a free edition of Winpatrol → LINK