The version number will be displayed there. If it is 5.x, you are likely on the most current legitimate version.
It is strongly recommended that you a "v20.12" version of Malwarebytes . This version number is non-existent for the official software and is a common hallmark of "scareware" or malware scams. Why "v20.12" Is a Red Flag malwarebytes-v20-12-full-version-download
: Malwarebytes has historically moved through versions 1.x, 2.x, 3.x, 4.x, and currently 5.x. The version number will be displayed there