Select a set of elements, and click on one of the options of the align command:

• Align Left: Align two or more elements along with the left one
• Align Right: Align two or more elements along with the right one
• Align Top: Align two or more elements along with the top one
• Align Bottom: Align two or more elements along with the bottom one
• Align Center: Align two or more elements along the average vertical axis
• Align Middle: Align two or more elements along the average horizontal axis
• Distribute Horizontally: Distribute evenly three or more elements along a horizontal axis
• Distribute Vertically: Distribute evenly three or more elements along a vertical axis
• Arrange Tags: Distribute evenly every tag with a leader around the view
• Untangle Horizontally: Move horizontally  two or more elements so they don't overlap
• Untangle Vertically: Move vertically two or more elements so they don't overlap

The installer that ran when you downloaded this app/plug-in from Autodesk App Store will start installing the app/plug-in. OR, simply double-click the downloaded installer to install the app/plugin.

To uninstall this plug-in, exit the Autodesk product if you are currently running it, simply rerun the installer, and select the "Uninstall" button. OR, click Control Panel > Programs > Programs and Features (Windows 7/8.1/10/11) and uninstall as you would any other application from your system.