If you need to add an employee to have access to SiteLink, first navigate to Setup.
Then select Employees.
To add a new user, click Add on the right had side.
Fill out the required information highlighted in green.
Security Level designates the level of access a user has. These security levels can be defined through Setup > Security Levels.
Log-On Allowed Days allows you to select what days a user is able to log into the database. To enable logon for a particular day, simply ensure the box is checked.
Log on Allowed Times allows you to allocate the time in which a user/employee is able to login to the database.
Time Out Minutes allows us to select how long a user is able to remain inactive before requiring their password to be entered again.
To save your changes, select OK towards the bottom of the window.