You can also start with a Woodworking Table, found under Buy Mode > Objects by Room > Study > Hobbies and Skills.

Most Sims will start this skill by trying to repair something broken in the household.

To get started, you can read a skill book at the library or by ordering one on the computer. Repairing and Upgrading Objects This Situation calls for the Handiness Skill! You can now set your skill level with t_skill_level major_handiness x (fill in 1-10) - we also have a full listing of Skill Cheats and a master list of Cheats in The Sims 4 -> Press Control + Shift + C then type testingcheats on and press enter.