VERY Slow UI after updating to windows 10

How to Make Windows 10 PC fast

  1. Disable Background Apps
    Go to Settings → Privacy → Background apps and disable all unwanted apps running in background consuming your precious data and CPU.
  2. Disable unwanted Startup Programs
  3. Delete Temp Files
  4. Delete Prefetch Files

Source:- http://merabheja.com/make-your-windows-10-pc-ultra-fast/