These are some simple short cuts to open or run the programs without using mouse. You have to use windows button, on your keyboard you will see "windows sign" in between Ctrl and alt.
Did you see that, here we go…
Windows +E (it will open the Windows Explorer)
Windows +F (Find files and folders)
Windows +M (Minimize the program)
Window +Shift +M (Maximize)
Windows + R (Will open Run)
Windows +L (Log on)

Function
F1 Help
F2 Rename
F4 We use Alt+ F4 to close any running program.
F5 Refresh
Warm Boot: (Ctrl + Alt +Del) We used this method to close program directly, when the program is not working properly, any longer.