Which keys may be used instead of right click button? My right click button does not work

With the help of the free AutoHotKey, you may choose any key you like.

The following script will convert Right-Shift to Right-click:

RShift::SendInput, {RButton}

After installing AutoHotKey, put the above text in a .ahk file and double-click it to test. You may stop the script by right-click on the green H icon in the traybar and choosing Exit. To have it run on login, place it in the Startup group at C:UsersUSER-NAMEAppDataRoamingMicrosoftWindowsStart MenuProgramsStartup.

Which keys may be used instead of right click button?

Some keyboards have a specific key dedicated to right click:

Source: How To Right-Click With The Keyboard In Windows & Mac

Source: Wicked Cool: Special Keyboard Key to Activate Right-Click Menu

If your keyboard does not have this key then:

Luckily Windows has a universal shortcut, Shift+F10, which does exactly the same thing.

Source: How To Right-Click With The Keyboard In Windows & Mac