Microsoft hosts a massive database of drivers.
Finding and installing the correct USB 10/100 LAN driver for Windows 7 is a common requirement to revive older laptops or add wired networking capabilities. Windows 7 frequently lacks native drivers for generic USB 2.0 Fast Ethernet adapters usb 10 100 lan driver download windows 7
Realtek drivers are ubiquitous, but their website can be slow and difficult to navigate. Microsoft hosts a massive database of drivers
Now that you know the chipset, you need to download the file. This is where caution is required. The internet is full of "driver download" sites that are actually malware distributors. click on the first random "Download" button you see on a third-party site. Always prioritize official sources. Now that you know the chipset, you need to download the file
Here is a full write-up with download sources, identification methods, and installation steps. 1. Recommended Driver Download Sources (Windows 7)