From the CLI messages when running "cloudflared will not automatically update when running from the shell. To enable auto-updates, run cloudflared as a service: https://developers.cloudflare.com/argo-tunnel/reference/service/ ".
In general, you’re fixed to the package version you installed by default. The latest version should always be visible from the archive link shared earlier, with the most stable & current release being at the top of the page.
Typically the officially Argo Tunnel Installation page (https://developers.cloudflare.com/argo-tunnel/downloads/) consists of links for Mac, Linux & Windows but this release accidentally excluded Windows & Linux (To be fixed shortly )