There are a number of ways you can adapt your computer to make it easier to use the mouse. These guides explain how to customize your operating system, so that you can use the mouse more easily with your left hand, as well as how to slow down the mouse pointer and increase the delay between clicks when you want to double-click the mouse.
Make Your Mouse Left-Handed
Change the settings in your operating system to switch the functions of the left and right buttons on your mouse.
Slow Down Your Mouse
Change the settings in your operating system so that you can slow down the way the mouse moves the pointer on the screen.
Slow Down Your Mouse's Double-Click Speed
Increase the amount of time between clicks of the mouse button for the computer to recognize a double-click.