To use the SSH terminal functionionality, a ssh:// handler must be setup for the browser.
ssh://
Run{bash_code}and restart your browser.
{bash_code}
Alternative: Download install script here, execute it as a regular user and restart your browser.
Windows 10 usually comes with OpenSSH.
Open test link and select C:\Windows\System32\OpenSSH\ssh.exe as the default program.
C:\Windows\System32\OpenSSH\ssh.exe
Unknown operating system!
Please enter your IPA username in the upper-right textfield.
NOTE: An ssh:// handler must also be installed (instructions next to username field).