There’s often an installer package downloadable from the website - where as for linux you’re often greeted with a terminal command.
Bingo. #1 biggest problem for Linux right there. And the particular terminal command you need will be different from whatever you find, depending on your distro. And the software itself is often not packaged for your distro either. And even if all of that is correct there’s still a good chance it won’t work. Some missing dependency or other generic error comes up with no useful information for even an experienced person to use to debug.
When everything you need can be found in the graphical package manager as a flatpak this will be a solved problem but until then…
Bingo. #1 biggest problem for Linux right there. And the particular terminal command you need will be different from whatever you find, depending on your distro. And the software itself is often not packaged for your distro either. And even if all of that is correct there’s still a good chance it won’t work. Some missing dependency or other generic error comes up with no useful information for even an experienced person to use to debug.
When everything you need can be found in the graphical package manager as a flatpak this will be a solved problem but until then…