: Since Autodesk typically supports the current version plus five years back, finding the 2020.2.9 installer can be tricky. If it’s no longer in your Autodesk Account portal , you may need to contact Autodesk Support directly.
Solution: Revit 2020 is not supported by Autodesk anymore and download is not available in manage.autodesk.com: Support Lifecycle. revit 2020.2.9 hotfix