diff --git a/YouTube.md b/YouTube.md
index 3ff678b..326bec9 100644
--- a/YouTube.md
+++ b/YouTube.md
@@ -104,3 +104,18 @@ Maybe MiniTube, or some other YouTube specific player app.
 https://yewtu.be is an Invidious instance that lets you watch without ads.
 
 Newpipe is an Android app that lets you watch without ads.
+
+## Download video from webpage that requires login
+
+1) Install Firefox or WaterFox https://www.waterfox.net . WaterFox is more private, and has worked better on Ubuntu when saving full webpages to some directories.
+
+2) Install AddOn https://addons.mozilla.org/en-US/firefox/addon/video-downloadhelper/ . (I also use UBlock Origin to block ads)
+
+3) At toolbar 3-colored ball icon of Video DownloadHelper AddOn, click ⚙️ icon / Companion App. Install Companion App and reboot. Companion app will help to save videos to ~/dwhelper
+
+4) Login to website, and click to play video.
+
+5) At toolbar 3-colored ball icon of Video DownloadHelper AddOn, click down arrow button on largest resolution download. It will start downloading video to directory ~/dwhelper
+
+
+