Activating CrossFire is as easy as enabling a 'Radeon Dual Graphics' check box in the control panel, while all the behind-the-scenes work is done by the software driver.

In the case of Nvidia, GPU scaling is enabled through the Nvidia Control Panel, while AMD users can find the setting in either AMD Radeon Settings or the AMD Catalyst Control Center.

These are 5 graphics driver settings that you should change from their defaults to enhance performance and fidelity ...

Fix Error 207, AMD Software installation completed successfully but Windows detected a potential issue with your graphics device.