You can adjust the mouse sensitivity in Windows 10 by following these steps:

  1. Click on the Start menu and select Settings (gear icon).

  2. Select Devices, then click on Mouse in the left-hand menu.

  3. Under the "Related settings" section, click on Additional mouse options.

  4. In the Mouse Properties window, go to the Pointer Options tab.

  5. Adjust the pointer speed by moving the slider to the left or right.

  6. To further customize the mouse sensitivity, you can check or uncheck the Enhance pointer precision option.

  7. Click Apply, then OK to save your changes.

You can also test your new mouse sensitivity settings by moving your mouse around and seeing how it responds. If you need to adjust the sensitivity further, you can repeat the above steps until you find the ideal sensitivity for your needs.