Depends on which Linux, on which hardware. If you pick well-supported hardware and a distro that's designed to "just work" without too much customization (and

Depends on which Linux, on which hardware. If you pick well-supported hardware and a distro that's designed to "just work" without too much customization (and commit to not changing everything), such as Fedora Silverblue, it really doesn't take more time than Windows or Mac. Probably less even, assuming you know each OS equally well.