Update README.md

README.md

@@ -12,7 +12,9 @@ Simply download and unpack a release on to your hard drive.
 2. Copy into a folder on disk where you wish to run the file from e.g. `%HOMEPATH%\Desktop`
 3. Extract the files
 4. Delete the zip file
-5. If you plan to use this tool against IE in *Enhanced Protected Mode*, navigate to the directory containing **Proxy.dll** and type `icacls proxy.dll /grant "ALL APPLICATION PACKAGES":(RX)` in Command Prompt to grant necessary permissions
+5. If you plan to use this tool against IE in *Enhanced Protected Mode* (note, this includes 64 bit machines), 
+    If you're on Windows 8 or later, navigate to the directory containing **Proxy.dll** and type `icacls proxy.dll /grant "ALL APPLICATION PACKAGES":(RX)` in an Administrator Command Prompt to grant necessary permissions. 
+    If you're on Windows 7, we are currently blocked by issue [#9](https://github.com/Microsoft/IEDiagnosticsAdapter/issues/9).
 
 ## Running