Reg : Server edition Version Number

Please help me to find the Version Number in my Server Edition.
Tried finding many ways. but failed.
I know ill check latest version number from https://www.manager.io/version.txt
But how to Check which version is installed in my server.

at present there is no option within Manager (Server Edition) to check the version.
this is because it is the responsibility of the Administrator alone to check the version and perform necessary updates.
an Administrator can check the version of Manager Server running on the computer by checking the DOS prompt.

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also, when running Windows OS, this can be viewed by checking the Details tab on Properties of Manager Server process in Task Manager.