Can I download WhatsApp web

What has that to do with Firefox ?? Have you seen https://web.whatsapp.com/browsers.html?missing=localstorage,sessionstorage

''<p>percyvillemz [[#question-1581794|said]]</p>'' <blockquote>I want to download WhatsApp web </blockquote> If you mean use the web whatsapp site then the issue is you appear to be using the old Firefox 60.0 https://support.mozilla.org/en-US/kb/update-firefox-latest-release Back in November the web whatsapp site made it so you needed at least Firefox 115 or later to use the site.