Device Doctor is a free windows tool that helps to check driver updates available for your computer hardware. This tool is simple and easy to use and supports Windows XP, Windows Vista and Windows 7 (64-bit or 32-bit) PC. The software can be downloaded from the below location
The steps for checking software updates are
1. Launch Driver Doctor
2. Start Scanning for Device Driver updates by clicking Begin Scan button
3. If there are any driver updates available then they will be displayed in the Download driver updates section
Click on the Download update button to install the latest drivers for the devices.