We have always contemplated these keys, they are there but we do not touch them, fro some reason. These keys prove to be life savers and help you waste less time especially when you are in a rush. Read this quick how-to to master the use the ‘helpful keys’
F1 to F12 cases helpful shortcuts:
F1: Opens the help screen for almost every program. A possible scenario here would be your desire to quickly block someone Skype but you don’t know how to.
F2: Rename a file or folder.