Usually printed on a sticker on the back of the game manual or inside the DVD case under the disc tray.
Avoid "keygen" programs or websites claiming to offer free serial numbers for version 1.0.0.0. These files are often bundled with or adware and will not bypass the mandatory online activation check required by EA's servers for multiplayer or certain career features. Need For Speed Hot Pursuit Version 1.0.0.0 Serial Number
This changed the when and how people played. It wasn't about grinding for credits; it was about crafting a narrative. Every escape was a story told at school the next day. Usually printed on a sticker on the back
Ensure you are entering the code exactly as written, including dashes. Note that "0" (zero) and "O" (letter) are often confused. Need For Speed Hot Pursuit Version 1.0.0.0 Serial Number