diff --git a/Ryujinx-Setup-&-Configuration-Guide.md b/Ryujinx-Setup-&-Configuration-Guide.md
index afa9bc7..abf8afa 100644
--- a/Ryujinx-Setup-&-Configuration-Guide.md
+++ b/Ryujinx-Setup-&-Configuration-Guide.md
@@ -38,6 +38,8 @@ Ryujinx checks for updates automatically at startup. You can disable this featur
 
 [Portable Mode](#portable-mode)
 
+[Launch in Fullscreen](#launch-in-fullscreen)
+
 Preface
 =======
 
@@ -554,3 +556,16 @@ The command prompt window will become the console window when Ryujinx launches.
    ![image](https://user-images.githubusercontent.com/62343878/91670585-315b6780-eadc-11ea-8534-244a46eb1536.png)
 
 You can now use this shortcut any time you want to launch Ryujinx in portable mode!
+
+Launch in Fullscreen
+====================
+
+Ryujinx can automatically launch games in fullscreen mode. You can enable this functionality in one of two ways:
+
+**Method One:** In Ryujinx, click on Options, then check the box marked "Start Games in Fullscreen Mode".
+
+   ![image](https://user-images.githubusercontent.com/62343878/100805553-173b6900-33ec-11eb-9702-71626f67f6e3.png)
+
+**Method Two:** If you launch Ryujinx from the commandline, add a --fullscreen option. Like so:
+
+  ![image](https://user-images.githubusercontent.com/62343878/100806049-03dccd80-33ed-11eb-88a4-d5a56ada8bb0.png) 
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