how many finger prints we can add up to a windows home user

Question

how many finger prints we can add up to a windows home user

Answer 1

There really isn't a limit. Theoretically you could add them until the storage is filled.
https://learn.microsoft.com/en-us/windows/security/identity-protection/hello-for-business/hello-biometrics-in-enterprise#where-is-windows-hello-data-stored

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Answer 2

Hello,

In addition:

The maximum number of supported enrollments on a single Windows 10 computer is 10. This lets 10 users each enroll their face and up to 10 fingerprints. While we support 10 enrollments, we will strongly encourage the use of Windows Hello security keys for the shared computer scenario when they become available.

https://learn.microsoft.com/en-us/windows/security/identity-protection/hello-for-business/hello-faq#how-many-users-can-enroll-for-windows-hello-for-business-on-a-single-windows-10-computer

I hope this will help you!

Regards,