Add note on where msvcp140.dll goes

examples/pyqt/README.md

@@ -10,4 +10,5 @@ installer with Python 3.5 or later, you'll need to ensure the file `msvcp140.dll
 is included. If you have a Visual Studio installation, you can find it in there;
 otherwise download the [Visual C++ Redistributable](https://www.microsoft.com/en-us/download/details.aspx?id=48145).
 On Linux, you can extract the DLL from the exe using `cabextract` (after extracting
-files from the exe, run it again on a file called `a10`).
+files from the exe, run it again on a file called `a10`). Place `msvcp140.dll`
+inside the `PyQt4` folder, next to files like `QtCore4.dll`.