Autodesk Inventor 2020 remains a reliable workhorse for mechanical design, simulation, and tooling. Whether you are reinstalling it for a specific project pipeline or setting up a legacy workstation, installing the software correctly ensures optimal performance and prevents system conflicts.

If you possess a classic serial key, select Enter a Serial Number . Input your product serial number and product key ( 797L1 for Inventor Professional 2020) to complete offline or online activation. 5. Post-Installation Optimization and Updates

Run the extraction as administrator (right-click → Run as administrator). Wait until it says “Extraction complete” before proceeding.

To ensure maximum performance and security, do not run production workloads immediately after the initial installation completes. Apply Latest Hotfixes and Service Packs

Uninstall the Microsoft Visual C++ Redistributables from your system via Control Panel, reboot, and let the Inventor installer reinstall clean versions. Error 1920 (Service Failed to Start)

It will appear stuck at 20% for a long time—this is when it installs the Autodesk Desktop App and ODA File Converter . Do not cancel.

Once your download completes, you will typically have multiple executable parts (e.g., Part 1, Part 2). Step 1: Extract the Installer Files

For a (company environment):

1280 x 1024 minimum resolution. Recommended scaled resolutions include 3840 x 2160 (4K) with appropriate OS scaling. Software Prerequisites

The default directory is C:\Program Files\Autodesk\ . Keep this default unless your C-drive lacks space.

Inventor 2020 is picky. If you are doing a custom deployment (which you should be using the 2020 Deployment Wizard for, not the new web-based one), the order is:

: You must have Administrator privileges on the local machine. 2. Download Instructions

: Locate the downloaded executable files (typically in C:\Autodesk ). Double-click the first file (part 001) to initiate the extraction process for the entire package.