Open a web browser and go to https://cbs.class.com.
Click the Download button.
The Class install program should download. After it finishes downloading, open/run the Class install program.
If presented with a prompt similar to this, click the Yes button.
The Class installation wizard should begin.
When presented with the Class installation wizard, click the Next button.
Please read the license agreement. Click the Next button to proceed.
Enter your name in the User Name box. Enter CBS in the Organization box. Click the Next button to proceed.
Verify that the Activate automatic online updates for Class box is checked. Click the Install button to proceed.
The Class installation should begin and will take several minutes to complete.
When the Class installation wizard completes, click the Finish button.