My experience with W10 was not good!
Tried it first on the netbook. It screwed up the touchpad, leaving the only operating function vertical scrolling. . . the wrong way round. Couldn't find updated drives to cure the problem, so I reverted to 8.1. Against my better judgement I tried it on the desktop. Total disaster, recoverable only by formatting the C: drive & doing a clean installation of 8.1.
I suspect I'd be having problems with 10 on the netbook right now, as the Microsoft "fix" for the recent well-documented security problem resulted in it freezing after a few minutes' use. Fortunately I was able to restore back to the pre-update state & turn off auto-update to prevent installation of the offending update; not, apparently, possible with 10.
What I don't like about 10, apart from all the bloatware I don't want, is the amount of control it takes. I've got news for, Microsoft. . . it's my computer, not yours!
The plural of "anecdote" is not "data".