diff --git a/Build-and-install.md b/Build-and-install.md
index 5621868..c3d8b26 100644
--- a/Build-and-install.md
+++ b/Build-and-install.md
@@ -42,6 +42,8 @@ For other generators check [CMake documentation](https://cmake.org/cmake/help/la
 You can also compile akvirtualcamera using [cmake-gui](https://cmake.org/cmake/help/latest/guide/user-interaction/index.html#cmake-gui-tool).  
 The generated plugin files are located at _/path/to/akvirtualcamera-build-directory/build_.
 
+**Note:** For Windows, you must build both 32 and 64 bits versions, and put _x86_ and _x64_ folders together in the same folder.
+
 ## Install
 
 akvirtualcamera service needs to be installed and running for the virtual camera to properly work.