The only legal method to obtain clean, high-resolution Shutterstock footage is through an authorized purchase or trial:
: Shutterstock occasionally offers promotional trials, such as a 30-day free trial that includes a limited number of image downloads, though video trials are less common.
Under certain copyright laws (like the U.S. Fair Use doctrine), you can use watermarked previews for specific purposes without paying—provided you do not remove the watermark.
Pixabay : Provides over 6 million royalty-free assets, including HD and 4K video clips.
: Create an account, choose your video, and pay the license fee. Free Trials/Collections