This specific file title refers to the Nintendo Switch version of Just Dance 2021

To get the most out of JUST DANCE 2021 and the v327827.644899-.rar update, here are some tips and tricks:

On your PC, navigate to the drive labeled or NAND Install (whichever has more space).

Downloading "warez" or pirated game files from the open web is often a gateway for malware. Because these files are unofficial, they are not vetted by Nintendo or Ubisoft.