I am fairly new to the video editing world and am trying to understand a blurry video issue.
I am working on a project that has 17 tracks and if I look at the individual video it seems clear, but when activating all the videos and trying to play them together, they are blurry. I don't know if it's a setting issue or a memory issue.
I am using Premiere Elements 2020 on an iMac (21.5 inch - 2017) with 8GB ram and
What you are seeing is just a preview. It is not how your final video will look. Preview quality is often reduced so that your timeline will play smoothly. No doubt, with 17 video sources, this is the case.
Output a segment of your video as a 1920x1080 MP4. Your video should look very clear.