: Always start the extraction from part1.rar . The software will automatically find part2 and the others to join them back together.
: This will result in either an .iso file (a disk image) or a folder containing the game's setup files. 3. Installation Half.Life.2.Episode.One.MULTi18.part2.rar
A file labeled part2.rar is useless without its counterparts. You must ensure you have downloaded: Half.Life.2.Episode.One.MULTi18.part1.rar : Always start the extraction from part1