I'm a big fan of Windows 10, I've been using it for over a year. Microsoft has built in a handy tool to get your system fresh out of the box, but without all the bloatware that PC manufacturers get paid to deploy to you. This is a great innovation in my opionin. In the past when I've gotten a new PC, the first thing I have done is reinstall the OS fresh from scrath -- this tool will save a lot of time!
Here's the details: http://www.zdnet.com/article/microsoft-pushes-new-test-tool-to-kill-pc-bloatware/