1. Uninstall unused programs. Go to Start > Control Panel > Uninstall a Program to see a list of programs that are installed on your computer. Remove any programs that you no longer need.
2. Delete temporary files. Go to Start > Run and type %temp% to open the Temp folder. Delete any unnecessary files in the folder.
3. Disk cleanup. Go to Start > All Programs > Accessories > System Tools and select Disk Cleanup. This will delete unnecessary system files, such as temporary internet files and the recycle bin.
4. Defragment your hard drive. Go to Start > All Programs > Accessories > System Tools and select Disk Defragmenter. This will optimize your hard drive and make your computer run more efficiently.
5. Manage startup items. Go to Start > Run and type msconfig to open System Configuration. Select the Startup tab and uncheck any unnecessary programs that launch when you start your computer.
6. Free up disk space. Use a disk cleanup tool, such as CCleaner or Disk Cleanup, to free up disk space by deleting unnecessary files from your hard drive.