You need at least ElT3stHDR.yamil.part1.rar . If there are more parts (e.g., part3.rar ), you must have those as well.
The file is the second volume of a split (multi-part) compressed archive. Because it is a partial file, it cannot be opened or extracted on its own; it requires the first part (and any subsequent parts) to be present to rebuild the original data. Prerequisites for Extraction Before you can access the content, you must ensure: ElT3stHDR.yamil.part2.rar
Use a third-party tool like WinRAR (Windows), 7-Zip (Windows/Linux), or The Unarchiver (Mac). How to Extract the File You need at least ElT3stHDR
Move all related files into the same folder on your computer. ElT3stHDR.yamil.part2.rar