This torrent contains all above versions bundled together. Open it in your torrent client to select which version(s) you want to download.
WARNING: Torrenting reveals your IP address to the public. Server owners *could* monitor this torrent and automatically ban IP addresses that have downloaded files from it. Consider torrenting over a VPN or some kind of proxy. (This problem only affects torrents. The "normal" downloads listed above are safe to download without a VPN.)Wurst Client v6.7 for all Minecraft versions listed above
If you would like to help by seeding these torrents, a full list is available here.
Basically just run the installer. See this tutorial for details.