In Windows 11, you can close the window by clicking the 'x' icon in the upper right corner of the window. Also, on macOS Ventura, you can close the window by clicking the red 'x' button at the top ...

Choose “App” then search or scroll to “X.” Tap the “share” button on the bottom bar. Tap “Add to Home Screen.” Change the “home screen name and icon” to “Twitter” (or ...