GNU/Linux openSUSE Install Whatsapp desktop Client – Step by step Guide
How to Install WhatsApp Chat Messenger desktop Client in openSUSE GNU/Linux – Step by step Tutorial.
And to Install WhatsApp Client on openSUSE 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 openSUSE Installation Guide
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- Franz Install openSUSE Step-by-step Guide