: Download the installer for your chosen app and run it while Revit 2018 is closed. Method 3: Autodesk Access (Formerly Desktop App)

: On the left sidebar, select 2018 under the "Version" filter to ensure compatibility.

This is the standard way to download official extensions like the Site Designer, Roombook, or Structural extensions specifically for your 2018 license. : Log into your account at manage.autodesk.com. Locate Product Updates : Navigate to Products & Services in the left sidebar. Click on Product Updates . Filter for 2018 : Use the search bar or filter tool to find "Revit 2018".

For third-party tools or smaller utility plugins, use the official App Store. Visit the Autodesk App Store for Revit.