What do you want those users to be able to do with their accounts?
A CMS like Drupal or Wordpress might be what you want.
It's hard to recommend something when you haven't described the purpose. Having users register accounts is just a means to some end.
This is known as a "false dichotomy" and is very lame.
An amendment requires a two-thirds majority vote in both the House of Representatives and the Senate.
It's worth a try but don't pin all your hopes on it.
I had a terrible time getting wifi working on my Macbook Pro from about the same year. 2012, I think. It semi-worked but was horrifically unreliable and slow.
In the end I just got a tiny USB wifi dongle and plugged it in, rather than using the internal wifi card.
That's some God tier linux wizardry
Buy a floppy drive off ebay == end up on a watchlist
Fight inflation by arresting the rich, you say... Hmm, I think it's worth a try. 🤪
Oh hell yes
You might enjoy the book "Climate Leviathan". It's about all that and draws on a lot of history and philosophy.
New Zealand switched from FPTP to MMP despite the encumbant parties being like that.
It took years of organising and effort. History here https://en.m.wikipedia.org/wiki/Electoral_Reform_Coalition
The vibe in UK reminds me of NZ in the late 80s. It can be done when people really want it.