If you want to start a Startup following are the basic steps
Step:1 Idea, Register the domain, Sketch the Product
Step:2 Design the Prototype
Step:3 Incubation i.e., go to startup enabler Agency like GUSEC or CIIE etc…
Step:4 Arrange Seed Fund
Step:5 Hire Resources and Find Co-founders
Step:6 Develop Project
Step:7 Talk to your potential customers.
If you need any help, just let me know.