How can I increase the speed of my laptop?

you have two option. if you have money you can go and buy good and highly specs hardware in the market and upgrade your PC or Laptop. if you don't have budget  try to minimize your software and clean unnecessary program or software. install ccleaner for registry and check and clean your %appdata% and %temp% 

The best way to increase the speed of your laptop is to remove any unnecessary programs that start up when you turn on the laptop. Another way would be to empty the recycle bin. Lastly you should install more RAM if your laptop can physically handle more.

Uninstall unnecessary programs. Use Clean Master to finetune the laptop speed visit https://www.cmcm.com/en-us/clean-master-for-pc/ If you are using resource-intensive application or games, try upgrading RAM. Some games require higher CPU speeds. In this case, it is better to purchase higher configuration laptop