Step 1, Please pick one of two options

You can make an idea, or you can make a business conept. If you generate an idea, you need to find it is suitable for business, and how to start it, later.
This practice will take a while. Please have a pencil and paper ready. At anytime if you can not continue, you have to turn back

Good ideas would naturally come when you are walking in a market and observing. The trick is to leve your desk.

Fill out the four boxes.  For example Steve Jobs would fill out like this when founding Apple: Personal Entertainment Industry/Every one/ Simplified creation/Personal computer.  And his idea would be "We would ride personal computer tech to disrupt personal entertainment industry for everyone and simplify content creation."  That would be g aood sounding idea.  Now let's try yours!