After you’ve selected your Race and Class, a skill or two can start to use You can view your skills by typing
The Skill GUI comes up to reveal the Skills you have available.
If you hover over a skill it will give you much information about it.
You can purchase a Skill for every Skill Point (SP) you have. Your SP is indicated in your scoreboard. Choose your skills carefully as you cannot claim your SP back and you will not be able to unlock every skill right away.