1. Never install more than one antivirus.
2. Always disable startup options.
3. Never play game for long time.
4. Uninstall all unnecessary software or games.
5. Always try to uninstall files it means never delete the files straight.
6. Start>run>type “recent” press “OK” > delete every thing you will get.
7. Always check minimum system requirements of programs if your computer has low than it, I
recommend you to avoid it.
8. Don’t jam your pc by installing unnecessary programs.
9. Clear all internet browsing history/cookies after 1 month.
10. Start>Control panel>Add or remove programs.There you’ll find the list of installed files in your pc. Remove the programs that unnecessary or no
longer you use.
11. Minimum 15% of space in every drive should leave unused.
12. To finish you always should give break to your pc after using a long time.