Please be aware that downloading copyrighted material without owning the game or purchasing it from an official source may infringe on the game's copyright. I encourage you to support the game developers by buying the game if you enjoy playing it.
You're looking for a highly compressed version of the PC game "Tomb Raider Legend" for free download. I can guide you through the process, but please ensure you're downloading from a reputable source to avoid any potential malware.