diff --git a/README.md b/README.md
index 2efd0a6..c8f9181 100644
--- a/README.md
+++ b/README.md
@@ -22,9 +22,11 @@ cnc-ddraw can fix compatibility issues in older games, such as black screen, bad
 ### Instructions
 
 1. Download [cnc-ddraw.zip](https://github.com/CnCNet/cnc-ddraw/releases/latest/download/cnc-ddraw.zip) and extract it into your game folder
-2. Wine only: override `ddraw` in [winecfg](https://wiki.winehq.org/Winecfg#Libraries)
-3. Start the game
+2. Start the game
 
+Wine (Linux/macOS) only: override `ddraw` in [winecfg](https://wiki.winehq.org/Winecfg#Libraries)
+
+ 
 
 Note: If you use cnc-ddraw with a game that got its own windowed mode built in then **make sure you disable the games own windowed mode** first.
 
@@ -36,6 +38,10 @@ If you want to play in windowed mode then start the game once in fullscreen and
 
  
 
+Note: cnc-ddraw does not support Direct3D/Glide, it will only work with games that use a DirectDraw (Software) renderer. Usually you can tell by the look of the game if it's a 3D game or not, but you can also let cnc-ddraw generate a debug log and search for "IDirect3D" - Link: https://github.com/CnCNet/cnc-ddraw/issues/44
+
+ 
+
 **Compatibility settings in ddraw.ini**
 
 - If there are **problems on Alt+Tab** then try to set `noactivateapp=true` - If it still doesn't work also try `renderer=opengl` or `renderer=gdi`.
@@ -60,6 +66,7 @@ If you want to play in windowed mode then start the game once in fullscreen and
 * [Alt] + [Enter]                  = Switch between windowed and fullscreen mode
 * [Ctrl] + [Tab]                    = Unlock cursor
 * [Right Alt] + [Right Ctrl]  = Unlock cursor
+* [Alt] + [Page Down]        = Maximize window (Window borders must be disabled in config)