Place every single part into the on your computer.
If present, you usually need to copy the files from that folder and paste them into the main game directory where you installed the game, replacing the original files. Step 4: Launching the Game Half.Life.Alyx.part01.rar
Right-click it and select "Mount" (on Windows 10/11) to open it like a virtual disc, then run the installer inside. Place every single part into the on your computer
Run it to install the game to your preferred directory. Half.Life.Alyx.part01.rar