Free PC Tune Up is a diagnostic tool that will check for the following: * System Restore - System restore is a function that helps in restoring system files to an earlier point in time. It is a simple method to undo system changes without disturbing the personal files like e-mail, documents, photos etc. * Antivirus – This function helps in checking whether any Antivirus is installed on your PC and protecting you from the latest threats. * Antispyware - it can tell if there is an antispyware software installed on your PC and protecting you from the latest threats. If it doesn’t detect an antispyware, then you can take the help of iYogi tech experts to install the latest antispyware on your PC. * Firewall - Firewalls can on certain instances affect the performance of your PC if they have been mis-configured or has some other problem. PC Tune Up will first detect whether the system has firewall and suggest any fix, if required. * Junk File Cleanup - The scan will let you know if there are junk files eating your disk space and clean the junk files, leading to disk cleanup.* Registry Check - PC Tune Up can scan for registry errors that can lead to slow pc performance and it will also act as a registry cleaner. * Windows Update - Windows update is one of the simplest ways to keep up with the latest. Having a PC with outdated programs is sure to make your PC slow. With PC Tune Up, you can run a quick scan and get all the latest Windows Updates easily. * Browser check - PC Tune Up will run a scan to check for browser security settings to ensure safety from different online threats.* P2P Software - P2P can make your PC slow. As other users download files from your computer, they use a significant portion of your computer’s processing power, hence slowing down the overall performance. Also by P2P there is an increase in the vulnerability to viruses and spyware. A scan can let you know if there is any P2P software installed on your PC that is leading to slow PC performance. *