How do you get Lapras in Pokemon FireRed?

You can't get Lapras in Pokemon FireRed. Lapras is exclusive to Pokemon LeafGreen.

Here's why:

* Version Exclusives: Pokemon games often have version exclusives, meaning certain Pokemon can only be found in one version of the game.

* Lapras's Location: In Pokemon LeafGreen, you can catch Lapras in the Seafoam Islands, which are located to the north of Cinnabar Island.

So, if you want to get a Lapras, you'll need to play Pokemon LeafGreen!