Simple guides: How to install drivers for QuickCam Express webcam for Microsoft Windows 7
Install modified Logitech QuickCam Express / Go / Chat in Windows 7 / 8 / 10 (32bit, 64bit, x86, x86_64, amd64) without driver signature | Blog of Tobias Feigl
Logitech V-UAP9 Quick Cam Express Web Cam Camera logi Tech Teck 5V 100MA VUAP9 | eBay