Since manufacturers have removed legacy drivers from official sites, use these archival sources:
Search historical archive platforms such as the Internet Archive's Software Collection using terms like "TV capture card driver CD" or "PixelView/Lightwave SAA7130". pcitvcapturecardlwpcitvfmdrivers
The crackle of the radio finally coming through the PC speakers, clear as a bell. pcitvcapturecardlwpcitvfmdrivers
If Windows Update attempts to automatically grab a generic driver for this tuner card, it will often crash the PC with a 3xHybr64.sys failure screen. To prevent this, download the driver offline and block Windows from managing your hardware updates. Bypassing Core Isolation & Driver Signature Enforcement pcitvcapturecardlwpcitvfmdrivers
Example I2C sequence to tune FM:
Search for the driver using the hardware ID found in Step 1.