Step 2: Click Ease of Access (Narrator, magnifier, high contrast). Step 1: Open the Settings app in Windows 10 by pressing Win + I keyboard shortcuts. Way 1: Change mouse pointer size and color via PC Settings Now in this post, I will show you three ways to change the mouse pointer size and color in Windows 10. If it is often difficult for you to find the mouse pointer on your computer screen, or if you are nearsighted, you would want to change the size and color of the mouse pointer to make the pointer stand out clearly on the screen, so that you can always find it easily. Windows default mouse pointer is regular white.