This article is for Linux VPS and Premium VPS services.
For Windows VPS, please see https://vpsdime.com/knowledgebase/83_how-to-connect-to-my-windows-vps-using-rdp
If you are using Windows, you can use PuTTY software to connect to your VPS by SSH protocol.
If you are using Mac OS, you can use your terminal emulator and use the command: ssh root@[YOURIP]
If you are using Linux or BSD, you already know.
Your default username is root.