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→HosVersion
==== HosVersion ====
==== HosVersion ====
This key provides the currently running version of Horizon OS.
This key provides information about the currently running version of Horizon OS. This is used in order to determine the compatible ABI/API (both kernel and userland) available to homebrew applications.
* '''Key''': 16
* '''Key''': 16
* '''Value[0]:''' HOS version, formatted using libnx's [https://github.com/switchbrew/libnx/blob/master/nx/include/switch/runtime/hosversion.h#L11 MAKEHOSVERSION macro].
* '''Value[0]:''' HOS version, formatted using libnx's [https://github.com/switchbrew/libnx/blob/master/nx/include/switch/runtime/hosversion.h#L11 MAKEHOSVERSION macro].
* '''Value[1]:''' Reserved/should be zero.
* '''Value[1]:''' Magic value indicating the current implementation of Horizon OS.
{| class="wikitable" border="1"
! Value
! Description
|-
| 0
| Unspecified implementation/official stock firmware by Nintendo.
|-
| 0x41544d4f53504852 (ATMOSPHR)
| [https://github.com/Atmosphere-NX/Atmosphere Atmosphère-NX customized firmware].
|}