Request Codes are only necessary if you ownperpetual license software and need to request an activation codein order to manually activate software on a computer that doesnot have Internet access. Generating a request code is thefirst step of the process for manually activating yourAutodesk software.

Note: Request codes and manual activationare required only for perpetual license software. You need avalid serial number and product key in order togenerate a request code for your perpetual license software.You do not need a Request Code for subscription software or inorder to access your softwareonline using a serial number and product key.

Generating a Request Code with the Product ActivationWizard

You will only see the screens for generating a request code inthe product activation wizard if your computer is notconnected to the Internet. If your computer has an activeInternet connection, the software will assume you want to activateonline and it will not display the screens for a Request Code.

To generate a request code for manualactivation:

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1. Disable your Internet connection and launch your software.

   This is an offline process. The screens below will onlyappear if your computer is not connected to theInternet.

2. Click the Activate button on theFree Trial screen.
   Note: Autodesk software products will operate on aFree Trial license until activated. If you purchased your softwareand didn't use it as a Free Trial, you still need to initiateactivation of your software from the Free Trial screen. Your screenmay look different depending on your product, but the processshould be similar for all supported products.
   
3. Enter your Serial Number and Product Key and clickthe Next button.
   
4. Select 'Request an activation code using an offline method' andclick the Next button.
   Note: You will only receive this screen and optionif you are using a computer that has no active Internetconnection. If your computer is connected to the Internet, thesoftware will assume you want to activate automatically over theInternet and you will not see the screen for generating a requestcode.
   

5. Record the activation information provided.

6. Process the activation in one of the following ways:

   • Enter the information at register.autodesk.com to get anactivation code instantly.

   • Complete the Web request form at the address provided on thescreen. (This method to get an activation code via email maytake up to 48 hours.)

     
     

7. Click the Close button to exit thewizard and resume using your software in Free Trial mode.

Finding Stored Registration Information

Most products will generate an HTML file containing your requestcode and registration information when you install your Autodeskproduct using a valid serial number and product key.
Note: The registration file described below maynot be available for all products and platforms. If you cannot finda previously generated request code, please generate a new onefollowing the instructions above. See Activate Offline withActivation Code (Perpetual) for a complete description of theprocess for activating your software offline.

To find a Request Code saved on yourcomputer:

1. Search for 'USRegInfo.html' on yourcomputer.
   Note: The file's location and name will varydepending on your product and operating system. Here are examplesof typical locations for the registration information:
   • For Windows Systems:
     C:ProgramDataAutodeskAdlmProductNameVersion_USRegInfo.html
   • For Mac Systems:
     /Library/ApplicationSupport/Autodesk/Adlm/ProductNameVersion_USRegInfo.html

   Don't see your request code?See:Can't find the html file for the request code

2. Open the file with your product name and version in the filename.
   

Product keys are required for installation of Autodesk productsand are used to differentiate products that are both soldindependently and as part of a product suite. For example,installing AutoCAD 2016 as a point product requires product key001H1, but installing AutoCAD 2016 from theAutodesk Product Design Suite Ultimate 2016 requires product key781H1. The same version of AutoCAD is in bothsoftware packages but the product key differentiates one packagefrom the other.

Note:Please ensure you are using the correctproduct key for the Autodesk product and version you areinstalling. Entering an incorrect product key will result inactivation errors for that product.

The product keys for Autodesk 2016 products are as follows: