Find ErpNext Version
To find ErpNext version from command line, run
bench version
Example
frappe@ubuntu-s-1vcpu-2gb-blr1-01:~/frappe-bench$ bench version erpnext 12.1.6 frappe 12.0.16 restore 0.0.1 frappe@ubuntu-s-1vcpu-2gb-blr1-01:~/frappe-bench$
Using Web Interface
Login to ErpNext, then click the Help menu.
Click on “About” sub menu. You will get ErpNext version.
See ErpNext