Somehow, games ALREADY in external are being installed ALSO in internal! Here's Mafia III,...

PS4 also has mandatory installs, X1 can also play games before they are fully installed. The two consoles are practically identical with this. Related to this, the only difference is that PS4 allows to swap the internal HDD, but not external HDDs, while
Xbox won't allow switching the internal, but allows for externals.

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Key word here being, both consoles require you to install the games and can't be ran from disc only. Both consoles also have a 500gb HDD by default.

Same here, bought the Mafia III Pre-order Bundle.

Wont show up in "Ready to Install" (like the most Games i pre-ordered.)

I thought its Pre-download ? Different Versions ?

There is a possibility that there is either a connection issue with your external hard drive or somehow the external drive is corrupted. One possible solution is to uninstall the game and then reinstall the game. Try installing the game on only the internal Xbox hard drive to see if that fixes the problem. Also, try launching other games on your external hard drive to see if how those games are functioning normally.

Just to avoid unnecessary troubleshooting steps, I have an external HDD, but game updates for those on the external HD work fine. Downloads get stuck only when it comes to what is installed or being installed on the internal HDD. I also tried with the external
HDD unplugged, same result.

Thanks!

Hi

Depending on the total size of games that have already been installed it is possible that the consoles internal hard drive may already be full. Please see the

guide here about managing storage.

If the internal hard drive is full a compatible external hard drive can be used to expand the console memory. Details about adding an external hard drive is also detailed in the link I provided above.