To use MAMP Pro 4, you'll need a valid serial key. Here are a few options:
If MAMP PRO 4 is currently installed and registered on your Mac, you can view your serial number directly within the application:
: You can still download the MAMP PRO 4.5.0 installer (for macOS 10.10+) from the official MAMP downloads page .
MAMP PRO 4 for Mac is a legacy version of the professional local server environment. Since MAMP has moved to version 7.x, official serial keys for version 4 are no longer sold directly, though users with existing perpetual licenses can still use them.
Running different hosts on different PHP versions simultaneously.
page to recover it using the email address used during purchase. 2. Using a Single Key on Multiple Devices According to the
: Included one-click installers for WordPress, SSL certificate generation, and support for both Apache and Nginx web servers.
If you already own a license or need to find your key, here are the official ways to handle it: