Accept A Check

ninstall useless programs or programs you rarely use. These can include games or media files that you or your children never use, as well as programs that have become redundant or obsolete.
For Windows: Follow the Start Menu to Settings and then to Control Panel. From this screen click on Add/remove programs or Uninstall a program and uninstall programs that are no longer needed.

Clean Case

Wipe the case and clear its ventilation ports of any obstructions. Compressed air is great for this, but don't blow dust into the PC or its optical and floppy drives. Keep all cables firmly attached to their connectors on the case.