: This is the primary filename. In specific online communities (particularly those dealing with emulation or media), "SS-Nin" often refers to Super Smash Bros. for the Nintendo Switch (specifically "SS" for Super Smash and "Nin" for Nintendo).
: You cannot open .001 alone. You must have all subsequent parts (e.g., .002 , .003 , etc.) in the same folder. SS-Nin-048_v.7z.001
: Download and install a tool like 7-Zip or WinRAR. : This is the primary filename
: This indicates the file was compressed using 7-Zip , a popular high-compression software. a popular high-compression software.