Here are the general steps to make a drone:
1. Making the frame
2. Propellers, Electronic Speed Controllers, and Motors
3. Assemble the Motors
4. Mount the Electronic Speed Controllers
5. Add the Landing Gear
6. Flight Controller
7. Choosing a Right RC Tx-Rx (Wireless Remote Control System)
8. Mount the Flight Controller
Here is a detailed step-by-step guide on how to build your own drone . I hope this helps!