[dTal]

Meanwhile, in Windows-land, literally everything is installed by clicking Setup.exe.

[voltagex_]

Not quite. Corporate machines will most likely have some kind of management like SCCM, and there are options like PatchMyPC or Ninite for home users.

There's also Chocolatey and OneGet or whatever it's called today, plus vcpkg and nuget over in developer land.

[lillecarl]

Chocolatey and OneGet packages are usually wrappers around setup.exe/setup.msi with commandline arguments to keep the installer quiet, nothing more.