Update README.md

README.md

@@ -25,10 +25,9 @@ Node.js is a small program that lets your computer run the server that powers th
 
 ## Step 2 — Set Up the Files
 
-You should have three files:
+You should have two files:
 
 - `fishtank-dashboard.html`
-- `chat-popout.html`
 - `server.js`
 
 Put both files in the **same folder** anywhere on your computer (e.g. your Desktop or a folder called `fishtank`).
@@ -47,6 +46,12 @@ You only need to do this once. It creates a `node_modules` folder in the same di
 
 ---
 
+Clipping now requires ffmpeg installed, on windows:
+```
+winget install ffmpeg
+```
+Or download the installer from ffmpeg.org.
+
 ## Step 4 — Start the Server
 
 **On Windows:**