Despite its high levels of security, you might dislike the app for some other reason – or you no longer need to use it. If you want to unregister from Signal, follow these steps: For Android Users • Open Signal and tap on your profile. It’s the small, rounded picture in the top left corner of the screen. • Scroll down and tap “Advanced.” • Select “Delete Account.” • It will ask you to enter the number you use Signal with. Enter it and tap “Delete Account.” • Press “Delete Account.” For iOS Users • Tap on your profile. It’s the small, rounded picture in the top left corner of the screen. • Scroll down and tap “Advanced.” • Tap “Delete Account.” • Select “Proceed.” • You have now deleted your Signal account. On Desktop • Launch Signal. • Go to Preferences (either Signal > Preferences for Mac, or File > Preferences for Windows and Linux). • Click on “Clear Data.” • Select “Delete All Data.” To uninstall Signal so that the app’s icon and data are no longer stored in your Program Files, follow these steps: For Windows • Click on “Uninstall Signal.exe.” You can find it in C:\\Users\\\\AppData\\Local\\Programs\\signal-desktop. • Delete C: \\Users\\\\AppData\\Roaming\\Signal For macOS • Remove the Signal.app file from the /Application or ~/Application directory. • Remove all local data from ~/Library/Application Support/Signal This will delete all your data from your desktop. Your account will still be registered on your mobile device. To delete it completely, follow the steps above to delete your Signal account from your smartphone (Android or iOS).