YouTube is becoming more popular among web users for its convenience and abundance. You can find various types of videos on it, for example music video, funny video, and news. However have you ever thought of playing these videos offline when you can not log on Internet? This tutorial will introduce you how to play YouTube videos offline step by step.
Software Required
* Sothink Web Video Downloader for Firefox
What is FLV?
FLV (Flash Video) is a proprietary file format used to deliver video over the Internet using Adobe Flash Player (formerly known as Macromedia Flash Player) version 6, 7, 8, or 9. FLV content may also be embedded within SWF files. Notable users of the FLV format include YouTube, Google Video, Reuters.com, Yahoo! Video and MySpace.
Step-1 Download FLV
You can find different types of flv downloaders on the Internet. In general, there are three types – browser extension or add-on, web application, and windows program. You can choose any of them to download flv files.
Sothink Web Video downloader for Firefox is a simple and small Firefox extension (add-on) for you to quickly capture and download web videos (FLV/SWF) and Flash files from internet. It supports all popular video sites, such as YouTube, Google Video, Reuters.com, Yahoo! Video and MySpace. Click here to see more information >>>
Step-2 Download and Install FLV Player
You can get free Sothink FLV Player here.
Follow the wizard to install Sothink FLV Player in your computer.
Step-3 Play FLV with Sothink FLV Player
There are three ways to open and play a flv file.
1. Double click the *.flv file

2. Drag and drop *.flv file into the player window


3. Click File and click the Open option






