Update README

README.md

@@ -4,6 +4,14 @@ An in-stream source toggle for if recording is active or not
 If recording is active, then the specified source is visible.
 If recording is not active, then the source is not visible.
 
+## Instructions
+If you are using Windows, make sure to have Python 3.6 installed and OBS Studio configured to use it.
+
+1. Download the [latest release](https://github.com/dylarm/obs-recording-indicator/releases/latest)
+2. Extract/unzip the archive so you can access `recording-indicator.py`
+3. In OBS Studio, go to Tools → Scripts
+4. Click the "+" button to add `recording-indicator.py`
+
 ## Current limitations
 * Source visibility is only changed _after_ a scene transition. Depending on the transition, this can be strange
 * Source must be manually added (and positioned) to each scene it will be used it (this may or may not be a limitation?)