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Please take time to read this!
Here is a list of programs that will help lagging.
-IObit Security 360 - Browse over the program and use it's features-
-Gamebooster - Switch to gaming mode when playing your game, and switch back to normal when done-
-Advanced SystemCare - This program has MANY features that will help you clean up your computer and release hidden space-
*NOTE - All of these programs are from a company called IObit. I'm not going to post the link due to the advertising rule, but you are welcome to google the website and check out the programs.*
These helped me a lot i had 16.4GB free space, and now since i have used these programs to clean out my computer i have 48.9GB of free space!
Hope i helped.
Thank me is this has helped you.