You will likely need to right-click the executable and set it to run in Compatibility Mode for Windows XP (Service Pack 3).
A complete download should include all the content that made the sequel a step up from the original: Lego Racers 2 Full Download
You can still find original CD-ROMs for PC and PlayStation 2 on resale sites like eBay or Mercari. You will likely need to right-click the executable
Websites dedicated to "old games" frequently host the full installer for modern enthusiasts. Technical Compatibility Attention to Detail
Since the game is over two decades old, it is no longer sold on mainstream digital storefronts like Steam, GOG, or the Epic Games Store. Because the original publisher, LEGO Software, and developer, Attention to Detail, have moved on, the game is widely classified as "abandonware."