And that just covers the specific games for which optimization has been improved. In very simple terms, drivers are computer programs that let Windows and your other applications interact with a hardware device. The scan collects data necessary to recommend the correct driver update such as graphics hardware, operating system, language, and current driver version. Getting the Latest Updates For some types of graphics hardware integrated into laptops also known as notebook GPUs , you may not be able to get drivers straight from the graphics adapter manufacturer. Again, if everything is working just fine on your PC, you should probably leave your drivers alone.