From Your Computer; 1 Copy the video to your computer.Before you upload the video to YouTube, and then make sure that it is converted into a proper format. There are a wide variety of programs and websites that can convert video for free. YouTube accepts the following formats: *..AVI *..3GPP *..MOV *..MP4 *..MPEG or .MPG *..FLV (adobe flash) *..M4V (h.264) *..WMV (Windows Media Video) *..WEBM (HTML5) 2 Log in to your youtube account.Each account has its own channel attached to it. Sign in to the account that is associated with the channel that you want to upload the video to. 3 Click the Upload button on the top of the homepage.The Upload button is located to the right of the Search bar. 4 Choose a video file.Click the “Select files to upload” button to open a file browser. Find the file or files that you want to add. You can also drag and drop videos into the square in the web browser window. 5 Click the Open button.If your account is unverified, you are limited to 15 minute...