Here are a couple of Windows 10 links that you might find very useful.
http://www.howtogeek.com/228570/10-quick-ways-to-speed-up-a-slow-windows-pc/
And, the more technical -
http://lifehacker.com/top-10-incredibly-useful-windows-programs-to-have-on-ha-1584009886/1730134751
The first link suggests ways to speed up your computer. Some of these may benefit your computer greatly. Give them a try.