How do I make Malwarebytes compatible with upcoming OS?

You may contact the MWB maker's site & ask new macOS details.

• Malwarebytes for Mac - Malwarebytes Support

CONTACT Malwarebytes:

• GET SUPPORT

• CONTACT SALES

• Upgrade to latest version of Malwarebytes for Mac - Malwarebytes Support

• Malwarebytes for Mac - Guide | Malwarebytes Support

Since product is outside Apple's hands, ask Q: in their site.

Good luck & happy trails!🌻🐝

Why is it still running. You should only ever have to use it once in your life. You were tricked into installing adware which necessitated using MBAM. Now that you’ve removed the adware, you should never install adware again. There is no need for MBAM.

How do I make Malwarebytes compatible with upcoming OS?

You don't. The vendor who write the software does.

MalwareBytes has been working on an upgrade for Big Sur for at least a couple of months. If you're testing the Big Sur beta, you can then also test the MalwareBytes beta for that OS.

The person who posted the linked topic is Thomas Reed. He's the main developer of MalwareBytes for Mac.