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+## [appimage file "magic numbers"][1]
+`xxd ./some.AppImage | head -n 1`
+Note: If no known magic numbers are found, it might still be possible to process as a type-1 appimage
+- appimage type-1: bytes[8:11] -> 41h 49h 01h 00h
+- appimage type-2: bytes[8:11] -> 41h 49h 02h 00h
+
+## Appimage standalone run-time
+[runtime-x86_64](https://github.com/AppImage/type2-runtime/releases)
+
+## Steps to integrate/install an appimage - type-2
+1. Check the magic number matchs 41490200h
+2. use [runtime][2] to get files from appimage
+
+[1]: https://github.com/AppImage/AppImageKit/issues/830#issuecomment-620804428
+[2]: https://github.com/AppImage/type2-runtime/releases/download/continuous/runtime-x86_64
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