The following is a list of commonly used product keys for 2011 versions of Autodesk software: 001C1 AutoCAD LT 2011: 057C1 Autodesk 3ds Max 2011: 128C1 AutoCAD Architecture 2011: 185C1 AutoCAD Civil 3D 2011: 237C1 AutoCAD Mechanical 2011: 206C1 AutoCAD MEP 2011: 235C1 AutoCAD Map 3D 2011: 129C1 AutoCAD Revit Architecture Suite 2011: 241C1 AutoCAD Inventor Suite 2011: 527C1 How to Find Your Product Key
Check for a MID.txt file in the setup folder of your installation media. The first five characters of the part number listed in this file typically serve as the product key. product-keys-for-autodesk-2011-kuyhaa
Use the official Autodesk Product Key Lookup Tool to select your specific version and product. The following is a list of commonly used
As of current policy, Autodesk generally provides official support only for the current version and up to five versions back. Legacy versions like 2011 may no longer be eligible for standard technical support or new activations. Look up product keys - Autodesk As of current policy, Autodesk generally provides official
If your specific product is not listed above, you can locate your key through these official methods: