add installation section

Author: Jayce Fayne

README.md

@@ -8,4 +8,23 @@ In comparison, this is the US International keyboard layout that ships with Wind
 
 ![US-International-Windows](pictures/US-International-Windows.png)
 
+# Installation
+
+Clone this repo and open [us-xkb.klc](us-xkb.klc) in [Microsoft Keyboard Layout Creator (MSKLC)](https://www.microsoft.com/en-us/download/details.aspx?id=102134). It should look something like this.
+
+![MSKLC-open-layout](pictures/MSKLC-open-layout.png)
+
+Build DLL and Setup Package.
+
+![MSKLC-build-project](pictures/MSKLC-build-project.png)
+
+Execute the setup file.
+
+![setup.png](pictures/setup.png)
+
+You should be able to change your keyboard layout to US International XKB.
+Remember to log out and in again, in order for the changes to take effect.
+
+# Contributing
+
 If you find any errors or just want to add missing keycodes feel free to [submit a PR](https://github.com/jaycefayne/US-International-XKB/pulls).