How do I securely share a file in Google Drive with someone that has no Google Account?
Do you want to share a document you own on Google Drive with a person that does not yet know the amazing power of Google Workspace? Naturally they don't want to sign up for a gmail.com account just for working with you, but they can add Google super powers to their own email address for free (even a Microsoft address).
You can send them this video which will show them to add Google super powers to their existing email address.
Use this link to enter the registration form https://accounts.google.com/ and click 'Create account'
Watch the video for a walkthrough: