You really should be running Linux if you want to setup your PC to be accessible from the Internet.

It is insecure to let your Windows machine open to the Internet and it is a lot harder to setup and troubleshoot.
Try setting up Linux if you are not in need of some specific Windows programs that are not available on Linux for that PC.

It isn't secure in general to use Windows with cryptocurrencies. It just makes you a profitable target for hacking.