You just run a CLI command and follow simple prompts.
On Windows PCs, you have to go buy a flash stick, download a tool for flashing it for your BIOS/UEFI (and maybe learn MBR vs GPT), wait while that happens, maybe learn about partitions and repartition your disk ahead of time, mess with your BIOS to change boot order, hope you don't wipe your data by selecting the wrong partition etc
(the fact that this is still the status quo is crazy. The nerds need to pay more attention to the funnel)
See Asahi to verify[0]. I've been a donor since the week they opened a Patreon account.
Reminder that the possibility of installing a third-party operating system on Apple hardware is not a given. The same silicon is used in iPhones and iPads where you absolutely cannot install another operating system.
That's because a Linux kernel maintainer was a jerk to the project's lead, causing him to quit. It was a Rust argument, as I recall. Also, their genius graphics dev got hired into a large company, though I don't recall who.
I don't have a lot of insight into who is working on what. I only know of these two people because they were noteworthy enough for articles or HN links to make me aware. That said, a lack of developers isn't the same thing as constraints from Apple. If you get people who are motivated to continue building Asahi, it absolutely could continue to expand to newer chips.