These are the ways you can use to show Ruler on your Windows computer screen. Use apps, and extensions to display ruler on Windows 11/10 PC.

How to Display a Ruler on PowerPoint 2007. The Ruler option in PowerPoint 2007 displays a measurement guide along the top and right side of the creation window.

Internet Explorer Developer Tools include Color Picker, Ruler, etc, that can help you identify colors & measure objects on the screen while browsing.