: On the product tile, click the current version to see a dropdown menu. If 2020 is not listed, it may be because it is more than three versions old.
: For versions 4 to 5 years back (like 2020), click the Autodesk Assistant (the question mark icon in the bottom right corner) and type "Can you help me get a download for 3ds Max 2020". download 3ds max 2020 free trial version autodesk link
Autodesk generally supports the current version plus three previous versions for standard downloads. To find 3ds Max 2020, follow these steps: : On the product tile, click the current