If the installation was successful, you will see the version number of the Android Debug Bridge displayed. SDK Platform Tools release notes | Android Studio
Open a new Command Prompt, PowerShell, or Terminal window and type: adb version android studio sdk platform tools download offline
Google provides standalone, compressed ZIP archives of the latest Platform-Tools for all major operating systems. You can download these on any internet-enabled device and transfer them to your target "offline" machine via a USB drive. Download for macOS Download for Linux How to Install Android SDK Platform-Tools Offline If the installation was successful, you will see