Driver Booster is really working software for PC. It is bitter for me and if you don’t install it your PC then you need install it first then see. Driver booster do well maintain your PC. Update all driver which shown that very old or old or extremely old then you must update your driver quickly and bitter performance on your PC. It is not free for PC, yes it is free when you enter your license number to this software.
However, license number you can find on net. so, don’t think about this. At first you must need a internet connection on your PC that well speed. Then you can update your driver which is old. It is very well working for windows 7. I recommended to you that please enter your license number to this software after install on your PC.