Because the original PopCap web store is no longer active, you cannot buy a "standalone" key directly from PopCap. Instead, you should use these modern methods:

If the game is still installed on an old PC, the key may be stored in HKEY_CURRENT_USER\SOFTWARE\PopCap\ZumasRevenge or HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\PopCap\ZumasRevenge .

If you purchased the game years ago from the original PopCap site and need to find your old key:

Finding a registration key for Zuma's Revenge can be tricky because PopCap Games' original distribution model changed significantly after its acquisition by Electronic Arts (EA) in 2011. Historically, users received a via email after purchasing from the official PopCap website.

While difficult now, EA Help sometimes assists with legacy PopCap purchases if you have the original order number. Common Fix: Game Won’t Start on Steam

Trusted sites like Amazon may still sell physical "Jewel Case" copies or digital codes that can be redeemed on Steam or EA.

If you have an EA Play subscription through PC or Xbox, the full version of Zuma's Revenge is included without requiring a separate key. Recovering a Lost Key

Purchasing from the Steam Store or the EA App automatically activates the game on your account. You do not need to enter a manual registration key.

Many users looking for keys are actually trying to bypass a startup error on modern Windows. If your Steam version won't launch: Zuma's Revenge : Video Games - Amazon.com