You can make free voice and video calls to your contacts on WhatsApp Desktop if you have the app installed on your computer.

Desktop calling is supported on:

• Windows 10 64-bit version 1903 and newer
• macOS 10.13 and newer

To make or receive calls on WhatsApp Desktop, you’ll need:

• An audio output device and microphone for voice and video calls.
• A camera for video calls.
• To grant WhatsApp permission to access your computer’s microphone and camera. WhatsApp needs access to your computer's microphone for calls and camera for video calls.

Note: Group calls aren’t supported on WhatsApp Desktop at this time.

Related resources:

• How to make a voice call
• How to make a video call
• Can't use desktop calling