Installing drivers after installing Windows 7?

Question

Windows

I reinstalled windows 7, before that it was 10. In general, this is the first time for me - after reinstalling nothing works:
- mouse
- wi-fi
- does not see the USB flash drive
- you can’t connect to the Internet through a network cable either, just like wi-fi
It’s clear that you need to install drivers, but here’s how ( no disk drive?

Answer 1

Then this

Snappy Driver Installer

, download from here:
https://sdi-tool.org/
like this

Answer 2

Firewood must be downloaded from the manufacturer's website, and not from somewhere ...