The safest place is the Prolific Publishing website or authorized resellers like:
Price: Usually $9.99 – $14.99 (one‑time payment, no subscription)
Under the Digital Millennium Copyright Act (DMCA) and similar laws worldwide, using cracked software can result in:
Sim Aquarium 3 includes a fully functional trial (typically 30 days or limited to 15-minute sessions).
Download from the official site – no key needed. If you like it, you’ll receive a legit serial key upon purchase.