A User is added from the Help | Application Settings | Permissions and Connections tab. Press User Permissions followed by Add New User. Enter the basic user information and select which role the user belongs to. Note that all users are assigned a role. For full instructions, including easy to follow screenshots, see our Permissions Tutorial (PDF).
Any version. Even if 1.0 is installed its ok to upgrade to the latest version.
Actually its also ok to downgrade. The database evolved by 'adding only', making it possible to move up or down versions. For example, if you upgrade to 6.0 and don't like it for some reason, you can...
