QuickTime
QuickTime is available for free on both Macs and PCs, but recording feature is only available in the Mac version. If you have Windows PC, you can use PowerPoint's screen recording feature instead.
Learn how to record, edit, and share in QuickTime. Macs only.
QuickTime should already be pre-installed on all Macs, but if you have deleted it, you can download and reinstall it.