That's not really a fair comparison though because most of those stages are just part of the download stage you glossed over in Windows (I
really hate having to browse the web looking for software then having to manually download the thing after I've found what I want).
Also Windows has no managed way to keep applications up to date. Which means you either have to manually repeat all those steps yourself or run background agents for every publisher to keep that software up to date. But by far the most annoying in Windows is software that doesn't check if it's up to date until you run it and then demands you update it there and then (great way to kill productivity). Yet those steps you've exampled is a one time pain and then all software is managed for you. Updates are easy.
I used to be a hardened Slackware user and was prepared to download and often compile my software manually. Then I discovered package managers in Linux and from that point onwards I lost any respect for an OS that didn't manage software for me. It's amazing that it's two decades from me discovering package managers, ten years since iOS App Store was announced, and yet people are still stuck on shitty first party solutions on Windows and macOS (thank god for homebrew et al).