# Using Extensions The features that Lens includes out-of-the-box are just the start. Lens extensions let you add new features to your installation to support your workflow. Rich extensibility model lets extension authors plug directly into the Lens UI and contribute functionality through the same APIs used by Lens itself. ![Extensions](images/extensions.png) ## Installing an Extension You can install a dowloaded extension .tgz package by going to **File** > **Extensions** (**Lens** > **Extensions** on Mac). Alternatively you can point an URL to .tgz file. An installed extension is enabled automatically. ## Enabling an Extension Go to **File** > **Extensions** (**Lens** > **Extensions** on Mac) and click "Enable" button. ## Disabling an Extension Go to **File** > **Extensions** (**Lens** > **Extensions** on Mac) and click "Disable" button. ## Uninstalling an Extension Go to **File** > **Extensions** (**Lens** > **Extensions** on Mac) and click "Uninstall" button.