README.md is a Markdown file, duh

README.md

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+# Compiling
+! NOTICE: Compile with `-recursive`, e.g `git clone ... -recursive`
+## Compiling on Linux
+1) Install tools.
+**Debian-based distros:**
+Essential:
+```sh
+sudo apt install build-essential cmake zip unzip make libxrandr-dev libxinerama-dev libxcursor-dev libxi-dev libgl-dev
+```
+If you also want to compile for Windows:
+```sh
+sudo apt install g++-mingw-w64-x86-64 gcc-mingw-w64-x86-64 g++-mingw-w64-i686 gcc-mingw-w64-i686 
+```
+
+**Arch-based distros:**
+Essential:
+`TODO`
+If you also want to compile for Windows:
+`TODO`
+
+2) Run `compile.sh` to compile for Linux, 64-bit Windows & 32-bit Windows.
+Run `compile_linux.sh` to compile for Linux only.
+
+## Compiling on Windows
+1) Install [CMake](https://cmake.org/download/), [Ninja](https://ninja-build.org/) and [MinGW](https://www.mingw-w64.org/).
+Try them out in the terminal: `cmake -version`, `ninja --version`, `gcc -version`, `g++ -version`.
+If some are missing, add them to PATH.
+
+2) From the terminal, run `compile.ps1`.