How do I find the routerOS version number from winbox?
When you start Winbox before you select the router click on the “…” 3 dots to the right of the “Connect to” selection box. This will bring up a list of discovered devices listing
MAC Address, IP Address, Identity, Version, Board Name.
RouterOS version is also in the window title bar, when connected to the device.
and also in the system → packages menu