For versions 4 to 5 years back, you can request a download link through the Autodesk Assistant in your account portal.
If you require an older version like 2014 for compatibility or specific hardware, Autodesk provides official channels: Autodesk Inventor 2014 Vedio Tutorials Torrent
Active subscribers can typically download versions up to three years back directly from the Products and Services page . For versions 4 to 5 years back, you