The software takes care of scanning all of your hardware and installed drivers.
You can find the latest Combo Update for your operating system located on Apple's Support Download When an older OS has no more incremental updates, you will need to upgrade to a new OS to obtain newer drivers and updates.
Driver Booster's settings allow you to schedule regular scans of your PC (daily, weekly or monthly) to ensure you always have the latest drivers.
Driver Booster also includes a feature allowing you to create restore points before installing the drivers.
This is great for restoring your PC to its pre-installation state in the event that the new drivers cause malfunctions.
Driver Booster has a very user-friendly interface and makes updating your drivers really simple.