Cyberpunk 2077 skills system and how to play the game has been revealed. Find out how abilities, skills and perks work in the game.
Skills work in the following way: First you choose the abilities you want. Each ability has a set of skills associated with it, so make sure to check out the skills before choosing your abilities. The amount of points you put into each ability, determines how many times you can level up the skills associated with it. pick from the list of 5 available:

choose between 5 different attributes, Body, Intelligence, Reflexes, Technical and
Cool.
Next pick your skills
You level up skills by using the skill, using a sniper rifle gains you sniper rifle xp.
As an example: We have 9 points in the cool ability, therefor using sniper rifles we can level up snipers 9 times and gain 9 perk points to use, which will improve that skill.
Choose from the skills below:

Body
– Melee
– Athletics
– Shotguns
– Two handed
Intelligence
– Hacking
Reflexes
– Blades
– Rifles
– Handguns
Technical
– Engineering
Cool
– Assassination
– Nerve
– Sniper Rifles
Once you have your abilities and skills selected you can start using the skills and gaining XP in them to unlock perk points. There are 5 perks for every skill that level at least twice for 10 possible perk upgrades for each skill:

Intelligence>Hacking
Hacking Level 1: Unlocks additional advanced malware daemons.