How to change the mouse pointer size and color in Windows 10 & 11
This tutorial will show you step by step how to change the mouse pointer (cursor) size and color in Windows 10 and 11.
Methods:
How to change the mouse pointer size and color in Windows 10
1. Click on the Windows start menu button.

2. Click on Settings.

You can also right-click on the Windows start menu button and then click on Settings.
You can also press the Windows + I keys on your keyboard to open settings in Windows 10.
3. Click on Ease of Access.
4. Click on Mouse pointer located in the left menu.

5. To change the mouse pointer size, drag the slider under “Change pointer size”.
6. You can change the mouse pointer color in the “Change pointer color” section. There are four color options; white with a black border (the default), black with a white border, inverted (e.g., black on a white background or white on a black background), or a custom color with a black border.

That's it! You can close the settings window when you're done.
How to change the mouse pointer size and color in Windows 11
1. Right-click on the start menu button and then click on Settings. You can also press the Windows + I keys on your keyboard to open settings.

2. Click on Accessibility. Note: You may need to click on the ≡ menu button in the top left corner to open a menu and see the Accessibility option.

3. Click on Mouse pointer and touch.

4. To change the mouse pointer size, drag the slider next to “Size”.
5. You can change the mouse pointer color in the “Change pointer style” section. There are four color options; white with a black border (the default), black with a white border, inverted (e.g., black on a white background or white on a black background), or a custom color with a black border.

That's it! You can close the settings window when you're done.
Related:
Disable the touchpad when a mouse is connected on Windows 11
Disable the touchpad when a mouse is connected on Windows 10