GNU/Linux Mint 21 Install WhatsApp desktop Client – Step by step Guide
How to Install WhatsApp Chat Messenger desktop Client on GNU/Linux Mint 21.x Vanessa/Vera/Victoria/Virginia LTS desktop – Step by step Tutorial.
And to Install WhatsApp Client on Linux Mint you dispose of some cool Alternatives:
Especially relevant: currently Ferdi is the only completely Free alternative, and so I listed them in order of my Personal Testing Preference.

WhatsApp Client Linux Mint 21 Installation Guide
- Hamsket Install GNU/Linux Step-by-step Guide
- Rambox Install Linux Mint 21 Step-by-step Guide
- Ferdium Install Linux Mint 21 Step-by-step Guide
- Franz Install Linux Mint 21 Step-by-step Guide