Are you having troubles with a lagging preview window? Chances are, your PC isn't coping with the amount of information that needs to be processed simultaneously. No big deal! You can quickly fix the issue by skipping frames while previewing the video. It won't affect the outcome in any way, just make the preview process more efficient. The new VSDC 6.3.8 version allows you to skip every second frame or skip two frames during the preview. Download it right now: https://bit.ly/2U85omg