Don't know about points 1 & 2, but for UAC I have left it on. It only pops up when I install some software or when I run Windows Update, so it does not bother me that much. Others may not agree though!
Glad it seems to have gone well for you though!
Hands-on: Acer Predator Triton 700 review
D&AD Awards 2017: see the best design, advertising, illustration, animation and VR of the past year
How to lose weight with an Apple Watch
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.