Hello @Theodore Hills
First, on windows you will need to give permission to one folder where mac files will be placed.
Then create a new user on the window PC, so it will let you connect with that account.
For your reference: How to connect your Mac computer to a Windows Shared folder
(Note: This is a third-party link and we do not have any guarantees on this website. And Microsoft does not make any guarantees about the content.)
Best Regards
Karlie
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