Android : Go to Settings. Depending on your phone, click on the ‘About phone,’ ‘System,’ or ‘Software information’ options. The Android version will be displayed. iPhone : Go to Settings. Go to General. Go to About. The iPhone version will be shown. MacOS : Click the Apple icon in the top left-hand corner. Click About This Mac. The macOS version will be shown. Windows : Click the Start button. Type Run and click it. In the Run window, type Winver and press Enter. The Windows version will be shown.