Open Mouse in Control Panel.
On the Buttons tab, under Double-click speed, drag the slider.
To open Mouse, click Start, click Control Panel, click Printers and Other Hardware, and then click Mouse.
To test the speed, double-click the image in the test area.
Change the number of mouse clicks required to open items
Adjust the speed of your mouse pointer
Use Snap To to reduce pointer movements
Use ClickLock to make dragging easier
Reverse your mouse buttons