These tools often try to install additional software (browser toolbars, antivirus trials, etc.) alongside your drivers. Follow this path instead:
Have a specific driver issue on Windows 8.1 64-bit? Post your hardware IDs (found in Device Manager > Properties > Details > Hardware Ids) in the comments below for tailored advice. Easy Driver Pack Windows 8.1 64 Bit
Once the process is finished, restart your Windows 8.1 device to ensure all hardware changes take effect. Alternative Driver Update Tools These tools often try to install additional software