Every computer user has the application most frequently opened, how this application can easily access us? one way is to make a short-cut, but for those of you who do not like clutter your desktop screen, the following ways you can apply. Follow the step by step below.
For example, we will add a notepad into the right-click menu.
Open your Registry editor and follow the path below:
HKEY_CLASSES_ROOT Directory Background shell
Right click on the shell> New> Key and write the name of the application you wish, this name will later appear on the menu.
Right click on the Notepad> New> Key and create a new key with the command name (in lowercase / lowercase).
Next you need the full path of the application you want, connect and put it into the command value. for example notepad can be obtained as the following caption:
click on the command and double-click the default key on the right hand and then input the application path that has been copied.
Click ok then retart computer, right click on desktop computer and you will see something new on the right-click menu, good luck! 
