Go to Youtube.com, and find the video you want to share. 2. Once a video is loaded in your browser, request for a desktop site. 2. Click Share directly beneath the video. 3. In the pop-up box, check the box next to Start at. 4. Enter the time you want the video to start. The correct time may already be listed if you press the share button when you want the video to start. 5. Select Copy to copy the time-stamped URL. 6. Paste the link wherever you want or select any of the social share buttons to share it.