After you have activated an MT5 account, you will receive a confirmation email from BingX with your account login details and MT5 download and installation instructions. You can also visit the official MT5 site:

Download links for MT5

PC (Windows):
Mac (macOS):

What are the minimum system requirements to use MT5?

The minimum system requirements for the desktop version to run MT5 are Windows 2000 or higher, with a 2.0 GHz or faster CPU, and at least 512 MB of RAM (though 1 GB is recommended). Screen resolution of 1024 x 768 or higher and Internet connection speed of 56 kbps or faster.
iPhone: iOS 9.0 or later
Mac: macOS 11.00 or later and a Mac with an Apple M1 chip.
Android: Android 5.0 and above