A screencast (or a video screen capture) is a digital recording of screen that usually contains audio narration. This is different than screenshots because a screencast is basically a digital recording (like a screen movie recording) that captures actions taking place on your Mac with audio narration. With screencasting, you can easily record video tutorials, lectures, instructions, assigments and presentations. Here is how:
Quicktime Player 10 or later
1. Open Quicktime Player
2. Click on File menu -> New Screen Recording.
3. Click the triangle icon for recording settings. You can choose to use the built-in microphone. You can use an external microphone. You can select the video and audio quality of your recording. You may also choose the location to save your recording when you finished.
4. To start capturing your screen, click the round (red) record button.
5. You can record your entire screen or just a smaller portion of the of the screen. To capture your entire Mac screen, click anywhere and your recording will start. If you want to capture a part of your screen, simply drag your pointer to select the specific area of your screen that you want to record. Then click the Start Recording button.
6. When you finish your screen recording, click on the stop button, and the video will now pop up, so that you can view it.
Publish & Share Your Screen-capture
If you want to share or publish your screen capture via email, chat, Facebook, YouTube, Vimeo, iTunes, iMovie or Flickr; here is how:
1. Open the recording file you want to share (if it is not already open), you may click the the arrow icon OR click the Share button (File menu-> Share).
2. Then choose choose Email, Message, AirDrop, Facebook, YouTube, Vimeo, or Flickr. You will need to login if you want to share your file via YouTube, Vimeo, Flickr, or Facebook.
How to Edit Your Screencasts
You may want to trim, rotate or merge your recordings. Here is how:
1. To trim your file so that your movie shows only the part of the recording you want, choose Edit > Trim. Drag the yellow trimming bar to the left and right. Click trim when you are done. Any part of the recording outside the the yellow trimming bar will be deleted so that unwanted parts do not play.
2. You may also want to rotate or flip your recording, Choose Edit > Rotate Left, Rotate Right, Flip Horizontal, or Flip Vertical.
3. You may merge your screencast files into one file to combine multiple recordings. To do this, open your recording in QuickTime player, then drag the clip or movie that you want to merge into your movie window.