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+Hunter is (or better, will be) a graphical file manager for Linux, heavy
+inspired by [Ranger](https://ranger.github.io/). At this moment, Hunter is
+under heavy development and have only basic features of file viewer than
+manager.
+
+**Note:** This version of README.md is about development version of the
+program. Some things may be different in released version of Hunter.
+
+## Build game from sources
+
+To build you need:
+
+* compiler - GCC with enabled Ada support or (best option) GNAT from:
+
+  https://www.adacore.com/download/
+
+  It is recommended to use GNAT GPL 2018 to compile the program.
+  The program does not work with old compilers (like GCC 4.9) since it
+  lacks full support for Ada 2012.
+
+* GtkAda library which should be available in most Linux distributions. Best
+  option is to use (with GNAT GPL) AdaCore version of GtkAda from:
+
+  https://www.adacore.com/download/more
+
+  At this moment tested version of GtkAda is 2018 and the program require GTK
+  library in version 3.14 (may not works with other versions).
+
+If you have all the required packages, navigate to the main directory(where
+this file is) to compile:
+
+* Easiest way to compile the program is use Gnat Programming Studio included
+  in GNAT. Just run GPS, select *hunter.gpr* as a project file and select
+  option `Build All`.
+
+* If you prefer using console: in main source code directory type `gprbuild`
+  for debug mode build or for release mode: `gprbuild -XMode=release`
+
+## Running Steam Sky
+
+### Linux
+If you use downloaded AppImage version, you don't need any additional
+libraries. Just run it as any AppImage file. More informations about AppImage
+files usage, you can find at:
+
+https://docs.appimage.org/user-guide/run-appimages.html
+
+When you trying to run build by yourself version of the program, use script
+`hunter.sh`. The program will not works if you try to start it by binary file
+`hunter` from `bin` directory.
+
+## Licenses
+Hunter is available under [GPLv3](COPYING) license.
+
+xdg-mime and xdg-open scripts are part of the xdg-utils project and released
+under MIT license:
+
+https://github.com/freedesktop/xdg-utils
+
+----
+
+That's all for now, and again, probably I forgot about something important ;)
+
+Bartek thindil Jasicki