Activate and deactivate Adobe apps
helpx.adobe.com › download-install › kbOct 26, 2020 · Find out how to activate (or sign in to) and deactivate (or sign out of) Adobe applications such as Photoshop, Lightroom, Acrobat DC, and Photoshop Elements. Activation connects an app to a valid user license. Find information on activating products for Creative Cloud, Acrobat DC, and CS6 and earlier.