Making TB Portable default mail client without changing Windows 10 registry
I am using TB Portable (60.9.0) on a computer that runs Windows 10.
The main reason I use a portable version is that I don't have admin privileges to install any software on the machine.
I would like to set Thunderbird as default mail client (i.e. when clicking email links I would like to directly use Thunderbird for composing a new message).
Unfortunately all solutions that I found here and more in general online suggest to: (1) install a non-portable Thunderbird version, so that that can be set as default mail client; or (2) change the Windows registry.