Accounts formed are unique to the trading platform in question. And will be unable to trade in any other terminal.
As a result, your MT5 account credentials can be used to access your desktop. Only the mobile and web versions of the MT5 platform are available. Account credentials from MT4 can also be used for desktop login. Only MT4 mobile and web platforms are supported, not MT5. Account credentials from MT4 can also be used for desktop login. Only MT4 mobile and web platforms are supported, not MT5.