(The exact name varies depending on which version of Windows you’re using.) The exact options that appear are different for various versions of Windows: Select the app that has Region in its name. (If you're using a mouse, point to the upper-right corner of the screen, move the mouse pointer down, and then click Search.) Enter Control Panel in the search box, tap or click Apps, and then tap or click Control Panel. In Windows 8, swipe in from the right edge of the screen, and then tap Search. In Windows 10, click Start and type Control Panel. Go to Control Panel by doing one of the following:
PowerPoint displays the measurement system your computer uses, so to change from inches to metric (or vice versa), you make the change in Control Panel in Windows rather than in PowerPoint.
