If you do not have 3ds Max 2018 and all Revit Interoperability components installed, a message will appear asking if you want to upgrade the file or cancel the importation. Go to 'show all', click on view contents on twilight18a.iso, then download 3DSMAX2.RAR. As long as you have 3ds Max 2018 and the Revit Interoperability components for 20 installed, the file will import. For example, you would like to import a Revit 2018 file into 3ds Max 2019. To do so, you must have the corresponding version of 3ds Max and all versions of the Revit Interoperability component installed. For example, if you have 3ds Max 2020, you can import files from Revit 2017, 2018, or 2019 without upgrading the file. If your RVT file is from one of the three previous versions of Revit to this version of 3ds Max, you can import the file without upgrading it. However, this is often quite a lengthy process. If the Revit file you are importing is from an version of Revit prior to the current version of 3ds Max you are using, 3ds Max can automatically upgrade the file to the appropriate version. You can model in Revit, and then use 3ds Max to tweak the models, add interactivity, or create a photorealistic rendering. 3ds Max 2019 Getting and adding Vault files Loading older file versions. Importing your Revit files in 3ds Max lets you get the best of both worlds. The ability to save and keep track of different versions of a file is known as. This lets you include metadata as well as geometry, material, and lighting information. Autodesk Revit Interoperability lets you use your Autodesk Revit files with 3ds Max.