"Base Game/ Doesn't need to be installed" ?

Hi Caleb!

Please confirm on your account order history https://account.microsoft.com/billing/orders/ if the game was successfully pre-ordered. Then check your profile on https://account.xbox.com/Profile if it shows the same gamertag you're using with your Xbox console to make sure you use the right account.

If everything is all correct, try to manually search the game from the Store and install it.

Please also perform a power cycle. Press and hold the Xbox power button for 10 sec until it turns off. Unplug it from the power source for few minutes. Plug it back in and turn it on again.

This didn't help install the 9GB of base game, it still stops at 5.9GB, if you need more detail, this is a copy that I had gotten in some time 2019. The base game is having an issue with installation, it stops at 5.9GB, everything else is installing at this point. When I download the game, I tried updating and installing, and updating later, no matter what the game stops installing at 5.9GB, I can also hear the disc stop spinning as soon as it gets to that point. It says "installation stopped" and when I try to keep it installing, it doesn't do anything, it seems to be an issue with either my Xbox or the base game itself. It also seems to be just modern warfare that is having this problem, vanguard and Cold war work fine, it's just the base 9.18GB base game that stops.

The edition/ version of a game doesn't change the actual game. It simply adds items and other content that can be installed onto the base game.

You just need to sign in under the same account that bought them on 360. Only digital games will show up

License transfer doesn't exist for Xbox One and Series. It's all account based

Did you install that DLC from the Manage menu?

Just to reiterate, don't listen to the "advisor".

As ngocphi said, you need to OWN the base game digitally to use the upgrade. It doesn't work with game sharing the base game.