Yes, you can boot a new PC directly into Windows 10.
Yes, you can boot a new PC directly into Windows 10.
Yes, you can try it on Windows 8.1 using your existing PC, though some features might be limited compared to newer versions.
I've been using Windows X and it's been frustrating lately. I enjoyed the Start menu from version 10 but they messed with it again. Plus, when power goes out, my system gets corrupted and many things stop working—like saved preferences in Chrome and a lot of startup errors.