If your computer still has a disc drive, pop that CD in. It contains the specific driver meant for your hardware version. Note: It is usually better to download the latest version from the website (Method 2), as the disc version might be outdated, but the disc is a great fallback if you have no internet connection.
"Learn how to install and update your camera driver on Windows 7. Troubleshoot common issues and improve your camera's performance with our step-by-step guide." camera driver windows 7
"How to Install and Update Camera Driver on Windows 7" If your computer still has a disc drive, pop that CD in
Do you still have the box the camera came in? Most webcams sold during the Windows 7 era shipped with an installation disc. camera driver windows 7