Enter the information at to get an activation code instantly.For future reference, keep a record of the activation information provided.If your computer is connected to the Internet, the software will assume you want to activate automatically over the Internet, and you don't see the screen for generating a request code. Note: You see this screen and option only if your computer has no active Internet connection.

Select 'Request an activation code using an offline method' and click Next.

Enter your serial number and product key and click Next.

Your screen may look different depending on your product, but the process should be similar for all supported products. If you purchased your software and didn't use it as a free trial, you still need to activate your software from the Free Trial screen. Note: Autodesk software products operate on a free trial license until you activate them.

Click Activate on the Free Trial screen.

The following screens appear only if your computer isn't connected to the Internet. Disable your Internet connection and start your software.If your computer has an active Internet connection, the software will assume you want to activate online, and it won't display the screens for a request code. You see the screens for generating a request code in the product activation wizard only if your computer isn't connected to the Internet. To generate a request code with the product activation wizard You don't need a request code for subscription software or to access your software online using a serial number and product key. You need a valid serial number and product key to generate a request code for your perpetual license software. Note: Request codes and manual activation are required only for perpetual license software. Generating a request code is the first step in the process of manually activating your Autodesk software.

Request codes are necessary only if you have perpetual license software and need an activation code to manually activate software on a computer with no Internet access. This change doesn't apply to subscription network licenses or previous versions that you already activated offline. After you activate online, you can continue to use 2021 software and later offline. Note: Autodesk no longer supports offline activation for 2021 products and later. If you have a perpetual license, you can activate your software by going online only once.

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