It will create a new menu item in Window > AssetBundle Browser. It can be dropped into any Unity project with a version of 5.6 or greater. Use this tool as an alternative to selecting assets and setting their asset bundle manually in the inspector.
It also provides basic build functionality. It will block editing that would create invalid bundles, and inform you of any issues with existing bundles. This tool enables the user to view and edit the configuration of asset bundles for their Unity project.
To access it, you have to download it from GitHub and install it separately from the standard Unity Editor’s download and install. NOTE: This tool is extra functionality to Unity’s standard functionality.