Release v1.0.0.
diff --git a/README.md b/README.md
index 943a82f..b403ae8 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@
 
 **Build status:**
 
-TODO
+Windows: [![Build status](https://ci.appveyor.com/api/projects/status/860i07bxv55ydgvg?svg=true)](https://ci.appveyor.com/project/adam-sawicki-amd/d3d12memoryallocator)
 
 # Problem