Virtual Background

I cannot use virtual backgrounds (I want to use the 'Blur' effect) without a green screen. I don't have a green screen, but I have looked at the system requirements for virtual backgrounds and I believe I meet them. I should be able to use virtual backgrounds without a green screen.  Please help me figure out why I cannot enable a virtual background, specifically 'Blur', without the use of a green screen.

These are my systems:

- Zoom Version: 5.9.3

- Macbook Air (2017)

- macOS: Montery Version 12.0.1

- Processor: 1.8 GHz Dual-Core Intel Core i5

These are the requirements for virtual backgrounds without a filter:

- Zoom desktop client, version 4.6.4 or higher

- macOS 10.13 or later

- Supported processors (720p background video)

- Apple M1 (Macbook Air and Pro)

- Intel i5 

- 2 cores or higher

- 6th generation or higher

- macOS 10.14 or higher