First, regarding recommoning the means of production: it's not a single discrete thing, but rather a collection of economic and political policies and approaches.
Look into is Solidarity Economies: this is a term that bundles together worker cooperatives, housing coops, public banks, credit unions, and all the other structures that allow groups of people to cut investors out of the critical institutions on which we rely.
As for the other part: progressive taxation is not authoritarian and does not require authoritarianism.


I think we're so far from that world that this is more a question of abstract philosophy than political theory. But for what it's worth, I think these are the three most common answers to that question:
Personally, I don't think it's something that we need to figure out this decades or next.