If you are looking for the old standalone installer_r24.4.1-windows.exe or the sdk-tools-darwin.zip files,

: Contains essential tools like adb (Android Debug Bridge) and fastboot for interfacing with physical devices. Latest Platform-Tools Link What is Included in the Android SDK Tools?

After extraction, you will have a folder named cmdline-tools . Inside that, you must create a subdirectory named latest (or tools for compatibility). The recommended structure is: