Summarize this article:

Use your web browser to go to a video streaming website, such as YouTube.com. Type the title or description of a video into the search bar at the top of the browser window.  Do so by clicking in the search bar at the top of the browser, clicking on Edit in the menu bar, and clicking on Select All. Then click on Edit once again, and click on Copy. Type "savefrom.net" in the search bar at the top of the browser and tap ⏎ Return. It's just below "savefrom.net" in the browser window.  Doing so inserts the YouTube link into the text field. It's the blue button to the right of the link you entered. It's in the lower-right corner of the window. Click the text to the right of the green "Download" button that appears below the link you entered. Doing so opens a menu of available video formats and qualities. Tap on a quality to select it. Doing so opens a dialog box in which you can rename the file if you like.  It's the blue button in the lower-right corner of the dialog box. The video has been downloaded to your computer for offline viewing.

Summary:
Go to a video streaming website. Search for a video. Click on a video to select it. Copy the URL for the video. Go to SaveFrom.net. Click in the link field. Click on Edit in the menu bar at the top of the screen. Click on Paste. Click on >. Click on download video in browser. Select a video quality. Click on Download. Select a save location. Click on Save.