There are several options here for changing your background, and each requires a different amount of computational power. We'll now explain what these requirements are - for PC, Mac and iOS - then dive into how Zoom's custom background feature works. But inserting a virtual background requires your computer to have a certain level of performance. To be clear, video chatting can be done using almost any computer (or smartphone and tablet) with a webcam and a microphone.
But before all that, you need to check that your computer meets Zoom's requirements.