Using the wrong key—for instance, trying to use the AutoCAD LT key for the full version of AutoCAD—will result in an "Invalid Product Key" error during the activation wizard. Always ensure the key matches the specific "flavor" of AutoCAD you are installing.
Furthermore, many scam websites offer product key "generators" for AutoCAD 2013. These are invariably malware vectors. Do not download them. product key of autocad 2013
If the standard keys above do not work, you can find your unique license information through official Autodesk channels: Autodesk Account: Sign in to the Autodesk Management Portal All Products and Services , locate AutoCAD 2013 and click View Details to see your serial number and product key. Installation Media: Using the wrong key—for instance, trying to use
We understand the need to open an old .dwg file or use a familiar toolset. However, searching for a product key for a discontinued product is often a dead end. Here are better alternatives: These are invariably malware vectors