Downloading the game through unofficial files is considered online piracy and is illegal according to Nintendo's Intellectual Property policy . Using unauthorized software to modify your console can also render the game unplayable or lead to console restrictions.

Purchasing the game through official channels ensures you have access to all content, that it runs correctly on your system (without the need for technical fixes like sigpatches), and you can use the cloud save feature to back up your progress.

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Unofficial files often suffer from missing assets, causing the game to crash during pivotal story moments.

on Switch has received updates to fix previously identified performance issues and runs significantly smoother than earlier versions. Batman: The Enemy Within - Nintendo 10 Feb 2018 —

The full season requires significant storage space on the console's internal memory or an authenticated microSD card due to the high volume of cinematic assets and voice acting. The Advantage of Official Updates