Usually, files like this are for games , high-resolution video collections , or software installers . Once extracted, look for an .exe (Windows) or .dmg (Mac) file to proceed.
Many .rar archives from the web are password-protected. Check the website or source where you downloaded the file for the password. Fathers_Day_V2.part01.rar
The software will automatically find the other parts and combine them into the original full folder or file. Usually, files like this are for games ,
Always ensure you trust the source of .rar files before extracting, as they can contain executable scripts. files like this are for games