A computer with high-speed internet connection (you will have better results using a wired connection than over Wi-Fi)
Computer speakers and microphone (most laptops and webcams have a built-in mic) or better, a computer headset, or you can use a telephone.
Webcam (preferred, but optional)
If you need more details, please see the system requirements for Zoom. In particular, note that Internet Explorer versions below IE8 are not fully supported on PCs. We recommend using an up-to-date version of Firefox for the smoothest experience.
If you need to participate using a mobile device, there is an iOS app and an Android app available.