Torrent files are used by bitTorrent file sharing and downloading technology. Are they illegal? No. But something else might be.
Peer-to-peer file-sharing programs have a bad reputation because of the content they’re often used to download. But the technology is quite legal and useful for legitimate purposes.
Windows 10 peer-to-peer sharing (or “delivery optimization”) is a technology used to make updates quicker and more reliable. Unfortunately, it does come with some risk.
Dropbox is a utility that allows you to instantly share files between machines, and even with other users elsewhere on the internet. Up to 2GB is free.
Without the proper security others will be able to access your computer and your files, and even watch what you do online. Fortunately, setting up basic security is easy.
Home networking can be very difficult. But I have a little trick that works easily for me.