Customize mouse and keyboard functions with Multi Task Tool
Multi Task Tool is a free and portable program that lets you remap your keyboard and make it able to perform mouse movements. It can also change the way your mouse buttons work.
If you prefer more flexibility for your mouse and keyboard, use your keyboard to perform mouse actions when a program won’t let you use a mouse, etc., Multi Task Tool is a light and efficient program you may want to try.
Note that to configure the program’s settings you have to forget about just clicking buttons, you need to understand some coding. Simple, but it is coding. Other than that, the interface is not exciting, but easy to understand and use.