After activating VPS, you'll receive email with further details about your VPS, connections and other important information. If you lost your registration email or forgot Root password, you may change it anytime via Client Area.
To change your VPS Root password, you should Log in into Client area;
After logging in, click "My Servers" and choose your VPS server;
Choose "Root" section, enter new password, save it;
You're done! Your new Root password is applied instantly, now you may connect to your VPS as root with new password.