Debian mate: Not sure how to update wireless drivers, but there must be a way

[Vimmer]

I get it: debian is basically the bare version of Ubuntu and Mint. I was using Ubuntu for years, and I currently have mint installed on my laptop.

My desktop runs this:

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Device-1: Intel Wi-Fi 6 AX200 driver: iwlwifi

Unlike Ubuntu and Mint, my wifi connection keeps dropping (it varies based on the day): it usually starts out by being slow and not loading anything, but then eventually gives me a DNS error in the browser. I was convinced for a while I just needed to change the settings, so i tried looking at the network manager files, and through the GUI, i made sure I was connecting via DHCP in IPv4 and 6 settings. However, i did some research overtime, and i concluded it must be the drivers.

Debian does not automatically support all proprietary devices like the one listed above: how can i successfully update the driver for that? I have ran an update since my install, but the problem wasn't fixed.

[bbbhltz]

It works, so that's positive at least...

I would start by activating backports and installing firmware-iwlwifi from there.

https://backports.debian.org/Instructions/#index2h2 is a good start and then you should be able to do something like:

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apt install -t bookworm-backports firmware-iwlwifi