Dolphin is entirely free under the GNU GPL v2+ license. You should only download it from official sources to avoid malware. Recommended Source Official Dolphin Download Page Android (10 and up) Google Play Store or F-Droid macOS / Linux Official Dolphin Website System Requirements for Windows 10
On the download page, you will see three options: dolphin emulator 10 free
Windows 10/11 (64-bit), macOS (M1/M2 chips are excellent for Dolphin), or Android. 💡 Stay Safe Online Dolphin is entirely free under the GNU GPL v2+ license