Use version 27.x or older for the best Windows 7 stability.

Locate a trusted repository for the "IT9910_Win7_64bit_Patched" ZIP file. These are commonly hosted on community tech forums or driver archive sites.

The IT9910 can struggle with audio-to-video synchronization on Windows 7. To fix this: Go to Sound Settings > Recording . Find the "Digital Audio Interface" (IT9910).

Click and point it to the .inf file in your extracted folder.

Before attempting to install the patched drivers, ensure your system is prepared:

Right-click your IT9910 device and select . Choose Browse my computer for driver software .