: The native application for .rar files, found at rarlab.com .
Once extracted, keep in mind that Half-Life: Alyx is a VR-only title. According to Valve's official site , you will need: Half.Life.Alyx.v1.54.part02.rar
To "put together" or extract a file named Half.Life.Alyx.v1.54.part02.rar , you need to have of the archive (e.g., part01, part02, part03, etc.) in the same folder. : The native application for
: A SteamVR-compatible headset (Valve Index, Meta Quest via Link, HTC Vive, or Windows Mixed Reality). found at rarlab.com . Once extracted
: The SteamVR software must be installed and running.