Firefox remote silent install

Download Firefox setup at
https://www.mozilla.org/en-US/firefox/all/

Rename firefox setup file to something like firefox.exe

Copy this firefox.exe to remote machine
for example place it on \\remote-machine\c$\install

Download:

After you get psexec.exe. Move the file to your local %systemroot%\System32

Open windows command prompt in "Run as administrator" mode

Launch the command

psexec \\remote-machine c:\install\firefox.exe /S

Accept EULA

You can also skip the EULA screen with

psexec /accepteula \\remote-machine c:\install\firefox.exe /S

Finally you got output

If you got error code 0 then the Firefox is successfully installed on remote machine.