For the true Tremors completist, use the Internet Archive not as a piracy hub, but as a museum. Watch the vintage commercials there. Read the novelization. Listen to the radio spots. Then, go to your favorite digital retailer and spend the $12.99 to own the remastered version.
Happy hunting, and stay off the ground.
But as physical media declines and streaming rights shuffle between services, a dedicated fan base has turned to digital preservationists. That leads us to the most common query among modern fans: the tremors 1990 internet archive link
You will not find an official, high-definition, studio-approved copy hosted by Archive.org. However, this does not mean the search is futile. The platform is a user-uploaded repository, and due to copyright loopholes (such as the "Fair Use" doctrine or expired international copyrights—which do not apply to Tremors ), users have occasionally uploaded the film. For the true Tremors completist, use the Internet