Realtek Drivers Update Utility For Windows 7 64 bit updates your Windows 7 x64 (64 bit) drivers for Realtek Laptops automatically. It will scan your Windows 7 first then download and install 64 bit Realtek official drivers to let your Realtek Laptop work properly. The Realtek Drivers Update Utility keeps your Realtek laptop Windows system up-to-date. It detects which driver updates are relevant to your computer, and then helps you install them quickly and easily. The utility is the Windows 7 x64 (64 bit) version so do not install it on your 32 bit Windows.