diff --git a/Tool/README.md b/Tool/README.md
index 1c8305961b..ee7704517d 100644
--- a/Tool/README.md
+++ b/Tool/README.md
@@ -3,10 +3,22 @@
 
 ## FBXSDK
 
+Download here
+
+https://aps.autodesk.com/developer/overview/fbx-sdk
+
 Plese put fbxsdk on 
 
 ```
 fbxsdk/{os}/include/
 fbxsdk/{os}/lib/
 
+```
+
+## Build
+
+### Windows
+
+```
+ cmake -B build -S . -G "Visual Studio 16 2019" -A Win32
 ```
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