I installed the firepath and also restarted Firefox but still under firebug not able o see XPath showing up. PFA the screenshot for reference
Firebug version is - 2.0.18
Firefox version is - 51.0.1 (32-bit) (its uptodate)
Version of Firepath that was being installed is - FirePath 0.9.7.1.1-signed.1-signed