This denotes the US region of the game. The Nintendo Switch is region-free, meaning a cartridge from Japan will work on a US console. However, updates and DLC must match the base game's region. A US copy of The Witcher 3 requires the US version of an update, hence the "US" tag.
When a user dumps their legitimate copy of The Witcher 3 and the update, the files are encrypted. To share these files or install them on a console without connecting to Nintendo's servers, the "crack" removes the signature check. the witcher 3 wild hunt nspusupdate 404b cracked
The use of cracked versions of games, including The Witcher 3: Wild Hunt NSPUSUpdate 404B, can have a significant impact on the gaming industry: This denotes the US region of the game