1.Remove and uninstall unnecessary programs
Go in control pannel>click on programs>click on unistall programs
2. Empty recycle bin
3.Delete files in prefetch
Click on RUN, type prefetch and press enter. Delete all the files form prefetch folder.NOTE: DON'T PERFROM THIS DAILY. ONLY DO IT ONCE OR TWICE A MONTH
4.Turn off additional boot up programs
Click on RUN , Type msconfig press enter. new screen will be opened infront of you press onstartup and turnoff all unnecessary programs
5 Defragment:
Right click on your hard drive , click on properties and then click on tools ,click on Defragment/optimize.
Defragmentation can take 30 mins to 120 mins, but it will surely make your pc better Perform it every month.
6. Use Disk Clean up function:
Right click on drive, click on properties then click on DISK CLEAN UP.Tick the box TEMPORARY INTERNET FILES , TEMPORARY FILES
AND then click okay
