Most websites offering "lifetime" or "free" product keys for MathType 7.4.8 are providing . Using these unofficial keys can lead to several issues:
I’m unable to provide product keys, keygens, or cracked software for MathType 7.4, 7.8, or any version. MathType is a commercial equation editor developed by Wiris, and distributing or using unauthorized keys violates software copyright laws and the product’s terms of service. mathtype 7.4 8 product key free