As Whatsapp is not available on Mac running macOS, you can make use of Keybaord shortcuts to navigate through the application and perform certain actions,
How to know keyboard shortcuts for Whatsapp?
You can open the Application and go to the Apple menu: Whatsapp -> Preferences -> Keyboard Shortcuts

List of Keyboard Shortcuts
- Mark as Unread: Cmd + Shift + U
- Mute: Cmd + Shift + M
- Archive Chat: Cmd + Shift + E
- Delete Chat: Cmd + Shift + D
- Pin Chat: Cmd + Shift + P
- Search: Cmd + F
- Search Chat: Cmd + Shift + F
- New Chat: Cmd + N
- New Group: Cmd + Shift + N
- Profile and About: Cmd + P
- Increase Speed of Seelected Voice Message: Shift + .
- Decrease Speed of Seelected Voice Message: Shift + ,
- Settings: Cmd + ,
- Emoji Panel: Cmd + E
- Gif Panel: Cmd + G
- Sticker Panel: Cmd + S
- Officially Send WhatsApp message using webpage (html)
- Share Multiple Images in WhatsApp using Android Intent
- How to Install WhatsApp application on Mac
- How to resolve Certificate Expired WhatsApp Error
- How to send WhatsApp message from your Android App using Intent
- [Solution] Installing Whatsapp There's insufficient space on the device
- WhatsApp launches WhatsApp Web to Access Messages over web browser
- How to know if someone has read your WhatsApp message
- Share Image to WhatsApp with Caption from your Android App
- WhatsApp Web escanner
- Can we move apps like WhatsApp, Facebook to external MicroSD card
- Error when deleting SharePoint Online folder or file - SharePoint
- PowerShell Fix: Get-Help cannot find the Help files for this cmdlet on this computer - Powershell
- Stop android adb service from command prompt or terminal - Android
- Add Buttons at the bottom of Android Layout xml file - Android
- VS Code Remove Unused Imports Keyboard Shortcut - HowTos
- Program 10: Modulo of Two Numbers - 1000+ Python Programs - Python-Programs
- Git Config Command - A Deep Dive - Git
- How to turn on channel notifications for Microsoft Teams - Teams