The cursor vertical line is thin. Can it be thicker?

Windows 10+

In Windows Settings, go to Accessibility (or Ease of Access), open the Text cursor page, and change the Text cursor thickness.

Windows Vista

Select Optimize Visual Display in Control Panel, and select a greater number in the Set the Thickness of the blinking cursor drop-down list.

Windows XP

Select Accessibility Options in Control Panel, select the Display tab, and adjust the Width under the Cursor Options.