Based on the filename , this appears to be the 4th segment of a multi-part compressed RAR archive. Because it is an encrypted or specifically labeled part of a split archive, the exact contents cannot be "put together" or viewed without having all parts (Part 01, Part 02, etc.) and the original source description.
: All parts (except the very last one) should usually be the exact same size. If one is smaller, the download might be corrupted. S2ckb0yDODI2GB.part04.rar
: High-definition video series or disc images (ISOs). Based on the filename , this appears to
: This confirms the file is part of a "split volume." You need Part 01 through at least Part 04 (and likely more) to extract anything. Based on the filename