diff --git a/isometric-park-fna/UI/OptionsWindow.cs b/isometric-park-fna/UI/OptionsWindow.cs
--- a/isometric-park-fna/UI/OptionsWindow.cs
+++ b/isometric-park-fna/UI/OptionsWindow.cs
@@ -147,6 +147,18 @@
 				    fontName = OptionsWindow.fontName});
 
 	    }
+	    ImGui.SameLine();
+	    if (ImGui.Button("Apply"))
+	    {
+		    bridgeEngine.resolutionMessages.Add(new SetResolutionMessage {
+				    resolution = newResolution,
+				    fullscreen = newFullscreen
+				    });
+		    bridgeEngine.fontMessages.Add(new SetFontMessage{
+				    fontSize = OptionsWindow.fontSize,
+				    fontName = OptionsWindow.fontName});
+	    }
+
 
 	    ImGui.End();