: Because it is labeled "part3," you generally need all other parts (part1, part2, etc.) in the same folder to successfully extract the contents.
: You can open and extract these files using software like WinRAR or 7-Zip . You typically only need to right-click the first file (part1) to begin the process. W11226-MW.part3.rar
: If you downloaded this from a third-party site, it is a good idea to scan it with VirusTotal before opening, as multi-part archives are sometimes used to hide large malicious files. : Because it is labeled "part3," you generally