: If you previously owned MathType 5.2 and lost your key, you can try contacting Alfasoft Support or Wiris directly with your proof of purchase to see if they can retrieve your license information.
With trembling fingers, he typed in the 25-character string. The "Register" button, once gray and cold, flickered to life. He clicked. Success. mathtype 52 registration key top
CDN (College of the Desert) offers MathType 5.2 registration keys at discounted prices. : If you previously owned MathType 5