Internet Archive-s: Wayback Machine Free

The Internet Archive's Wayback Machine is a digital time machine that has preserved over a trillion web pages since the mid-1990s. It serves as a vital tool for historians, researchers, and general users to access a "memory" of the web and avoid being stuck in a "perpetual present". Why It Is Helpful Using the Wayback Machine - Internet Archive Help Center

Exploring the Past with the Internet Archive's Wayback Machine

You can donate via their website. Even a small monthly contribution helps keep the 10+ petabyte database spinning. Alternatively, you can run a crawler or donate bandwidth.

Screencast of typing a URL into the Wayback Machine.