Yes, there are multiple in FMHY megathread. After aniwave shut down I just hopped to the next one.

I think more important is compute per watt and idle power consumption than raw max compute power.

I have rebooted into recovery mode and after connecting to a network it seems that with some warnings, it begun upgrading.

You can use windows in indefinite trial version with Activate Windows watermark. Grab a windows iso from the website. Put it on USB stick (I use Ventoy). And install. I would keep windows bootlaoder and grub on separate partitions.

Can you downgrade the network to older standard?

It would seem that there isn’t easy way to do it on windows. You would need to RE and write the drivers yourself.

https://community.intel.com/t5/Wireless/Will-WPA3-be-certified-on-existing-AC-8265-8260-7265-7260-NICs/m-p/680333

There is a accessibility setting to disable touchpad when typing. You could try to hack into it to disable your mouse.

From quick look at it I don’t think it possible