You are gong to buy a computer but first you want to do some research to you select the best model for your needs

Research what kind of computer you want.

Explanation:

I don't know exactly what you are asking here but when doing research you have got to know what you want like how much ram you want, how much storage you want, what brand of computer you want, what core processor you want, and what graphics card you want. You also have to decide if you want a laptop or a full sized desk top computer.