Solved
Why am i getting "No-Link device detected" error message despite installing all the requred sofwares?
Attached please is the connected equipment, installed software

and the error message.
Attached please is the connected equipment, installed software

and the error message.
Doesn't look like you have an ST-LINK/V2, and it's not plugged into the 20-pin header

Enter your E-mail address. We'll send you an e-mail with instructions to reset your password.