Most online generators are either malware traps or produce keys that fail EA’s old SafeDisc or SecuROM checks. Your best bets are: buying a sealed physical copy , finding a pre-owned copy with an unused key , or using a no-CD crack (which bypasses the key check entirely).
If you cannot find a physical copy, the game has reached "abandonware" status for many enthusiasts. Internet Archive
Finding a valid CD key for the PC version of can be challenging because the game is no longer officially sold by EA Sports. Digital storefronts generally do not carry it, meaning keys are typically sourced from the secondary market or through specialized preservation sites. Where to Find CD Keys