The "Try the download again Something happened on our end" error may be thrown when you try to download an application from Windows Store on a device running Windows 10.
The error message seems to be thrown only for some Store downloads, especially Xbox Live games such as Killer Instinct or Gears of War Ultimate, and not for all apps or games.
In fact, most apps and games will download and install just fine when you are using Windows Store, while some won't.
As is the case with these errors usually, trying again won't fix a thing no matter how often you try.
The error message is linked to the version of Windows 10 that is used to access the store. Apparently, Windows Store runs a version check before downloads are initiated and if that check fails, will throw the "try the download again" error instead.
How to check your version
For retail versions of Windows that are not part of Microsoft's Insider program, the version should be 1511 and the build 10586.164.
Please note that the version requirements will change in the future, likely again with the Anniversary Update for Windows 10 coming out this summer.
If the reported version of Windows 10 is lower than that, you need to update the operating system first before you can install the game or application.
Available updates won't show up in the following two scenarios
If you have upgraded to Windows 10 in the past 31 days, then you may either wait until the first month of using the operating system has passed, or download an ISO image from Microsoft to install the upgrade this way.
Please note that you may not go back to your previous operating system once you have upgraded to the latest build of Windows 10 that is available.
You can disable "defer upgrades" under Settings > Update & Security > Windows Update > Advanced options.
Note: Windows Insiders may run into the same issue. This is for instance the case right now with the latest Windows Insider Fast Ring build and the game Killer Instinct. It will throw the error message even though you are on the latest build. Unfortunately, there is no fix for the issue and it is likely that Microsoft needs to fix it on its end.
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