Coming from the security aspect, I would personally, and professionally, advise you to avoid fingerprint scanning security. The technology has been easily hacked a number of times at various hacking conventions, as well as all over the internet. If you have an alternative, I'd recommend using it. So far, fingerprint-based biometric verification is quite poor for security, and it's unlikely it will get much better any time soon. Just being upfront, since security has been a huge hobby of mine for years.
With that said, if the reader currently is functional with your laptop right now, and you're using a different version of Windows, there's a good chance the hardware will work on Win10. Will there be a driver available, though? That's a...