While a VPS can run 24/7 it will still require a restart every few weeks to maintain performance, or you may need to do this sooner if you begin to experience excess slow down.
To restart it click the windows start button on your VPS you will see an arrow to the right of it. Click restart from there. Don't click Shut down or the server will shut down and you will need to contact support for us to manually restart it!
You can choose to auto restart at a convenient time by running a task in the background on the server: -
Bet Angel - General support (A)