Click on the Hamburger menu in the top-left corner of your screen.
Scroll down to the bottom of the side-nav bar.
At the end of your wallet, you will see the version number written in text.
To check your latest version on extension/android or iOS mobile app, you can follow the below steps:
Click on the Hamburger menu in the top-left corner of your screen.
Scroll down to the bottom of the side-nav bar.
At the end of your wallet, you will see the version number written in text.