win install

book/src/ruby/installation.md

@@ -5,6 +5,20 @@
 To build `bevy_scriptum` with Ruby support a Ruby installation is needed to be
 present on your development machine.
 
+### Linux
+
+#### Requirements
+
+- clang
+- Ruby installation compiled with clang
+
+#### Clang installation
+
+For `clang` installation instruction consult your
+OS vendor provided documentation or [clang official webiste](https://clang.llvm.org).
+
+#### Ruby installation
+
 The easiest way to produce a compatible Ruby installation is to use [rbenv](https://rbenv.org/).
 
 After installing `rbenv` along with its `ruby-build` plugin you can build and
@@ -15,8 +29,6 @@ CC=clang rbenv install 3.4.4
 ```
 
 Above assumes that you also have `clang` installed on your system.
-For `clang` installation instruction consult your
-OS vendor provided documentation or [clang official webiste](https://clang.llvm.org).
 
 If you rather not use `rbenv` you are free to supply your own installation of
 Ruby provided the following is true about it:
@@ -26,7 +38,26 @@ Ruby provided the following is true about it:
 - it is accessible as `ruby` within `PATH` or `RUBY` environment variable is set
   to path of desired `ruby` binary.
 
-## Main Library
+### Windows
+
+#### Requirements
+
+- clang
+- Ruby
+
+#### Clang installation
+
+Clang can be installed on Windows using `Visual Studio Installer`(select `Desktop
+Development With C++ ->> C++ Clang tool for Windows` package).
+
+`LIBCLANG_PATH` environment variable also has to be set to clang installation `bin`
+directory when compiling. This typically is `C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\Llvm\x64\lib`.
+
+#### Ruby installation
+
+On Windows Ruby can be installed using [RubyInstaller](https://rubyinstaller.org/) among others.
+
+## bevy_scriptum
 
 Add the following to your `Cargo.toml`: