It is assumed that by now you have downloaded SmartPropoPlus installer:

Now run the SmartPropoPlus installer.

Click NEXT and select Destination Location - the default is just fine.

Click NEXT and select Start Menu Folder

Click NEXT and check the Desktop icon (Not really needed)

 

Click NEXT - You are now ready to install. 

Click INSTALL -  It will install SmartPropoPlus and vJoy - Virtual Joystick driver. Wait for vJoy to complete:

Click OK

Installation is complete - Click FINISH to start SmartPropoPlus and configuration

You are now ready to start a short configuration process.