You can tell which is part 001 based on the file name (ie. Look at the file names, and double click part “001” to start the extraction.The second number after the 001_ shows how many parts there should be (ie. You can tell how many parts there are in the series based on the file names. Make sure that all the files in the series are in the folder. When the files are done downloading, go to the folder where the downloads saved (default: “downloads” folder) in File Explorer.Make sure your pop-up blocker is set to “always allow” the multiple part file download from this website

“If/when the big blue button says “browser download” click it to start the download. If the big blue button says “install now” or “download now” click “view all” and then click “browser download. On the “downloads” tab, choose your release year, platform and language from the drop down.For Industry Collections: Open the product you wish to download from the list (>) and click “view downloads”.For Industry Collections click “view items” For individual products or Design Suites: Click “view downloads”.Open the contract with your license that you wish to download (>).I will include download, installation, activation, update instructions below in this post. However, please check out the System Requirements page for Revit 2021 first, to make sure your machine is compatible. Customers with a current maintenance plan and/or subscription can download 2021 from your Autodesk Account whenever you are ready. Revit 2021 is out now! All other Autodesk 2021 software should be out soon as well.

Revit 2021 install