This video quickly advises low settings, then moves on to the more exotic and useful tips to improve performance and responsiveness.
0:00 - Maybe your PC sucks
0:19 - Post your PC specs in the comments section
1:34 - Desktop PC - Plug monitor into graphics card
2:27 - Laptop - Plug it in!
2:58 - Laptop - A hidden graphics card?
3:45 - Showing FPS on-screen
4:04 - CPU VS GPU: Which is slowing you down?
5:19 - Monitor’s refresh rate
6:14 - Anything capping framerates?
6:58 - Laptop power saving modes
7:32 - Making low FPS BETTER - Freesync and gsync
8:05 - Nvidia Reflex
8:22 - Deliberately lowering your FPS
8:53 - Laptops don’t like maximum framerates
9:10 - Upgrading your PC