Add more RAM (Random Access Memory)

Adding more RAM is in-expensive but this is the first tweak you implement if you are experience a slower PC. This is will noticeably improve your system performance.

Nowadays, a home and office computer has to work multiple tasks. Most software have been specified the minimum amount of RAM needed to install and play. For example, Harry Potter And The Prisoner of Azkaban requires 256 MB. Computer also needs some RAM for background tasks as well as to run the game. Photo-editing software and web browsing also consume RAM. Some day suddenly your computer can't keep up.

Increase SATA drive performance - Device Manager

By allowing the drive in question to perform more write caching to system memory, you can boost performance. The only danger is that data cached in system memory will be lost, in case, you don't have an uninterrupted power source.
  • Right Click on My Computer
  • Select Manage
  • Click the Device Manager,
  • open up Disk drives tree,
  • right-click a drive, and
  • select Properties.
  • Go to the Policies tab and
  • check “Enable Advanced Performance.” Click OK.