Whether you are on Windows 7, 8 or 10, they are spying on you and using a Key Logger to track everything you type.
Read these articles to STOP Corrupt Microsoft from spying on you.
I eventually hope to move to Linux.
While it's a bit of a chore and you can't use 100% everything on a Linux machine (you can use most), the fact that they are spying on you and probably telling the government so they can go after you for who knows WHAT, should alarm you.
There are good tutorials on YT on how to create a section on your computer for Linux and you can slowly start to move over. Here's a Linux version that someone who's not a geek said is easy to use. 
https://thehackernews.com/2015/09/windows10-keylogger-security.html
https://thehackernews.com/2015/08/windows-spying-on-you.html