How can I get internet working on Windows 7?
First find out which network card you have: Start (Windows-key) > Type: “Device Manager” > Network adapters.
Search and download the WLAN/LAN driver on a different computer/OS and transfer the setup to a USB-stick or CD-rom. Install it on your W7 partition.
How to download Firefox (webbrowser)
Since Internet Explorer and Edge on Windows 7 are not updated anymore we would recommend you to use Firefox ESR 115.16.0
How can I download and install drivers on Windows 7?
Snappy Driver Installer Origin Version 1.13.4 – It will search and download/install every driver on your system (you need a internet connection).