CAD20 17 serial number: 666-69696969 667-989898 400-45454545 066-666666 (any one) CAD20 17 product key: 001i/kloc-

1, disconnect the network (unplug the network cable or disable the network card);

2. Enter serial number: 666-69696969 and product key: 001h1during installation;

3. After the installation is completed, start Auto CAD 20 17, click "Activate", then select "Apply for activation code offline", click Next, copy the "Application Number" for later use, and then click "Close";

4. restart AutoCAD 20 17, click "activate" and select "I have Autodesk activation code".

5. Run the registrar as an administrator, click "Patch" first, then copy the "Request Code" into the registrar, and click "Generate" in the registrar window to get the "Activation Code";

6. Copy the activation code obtained in the previous step to the activation interface of CAD 20 17, and click Next to complete the activation.