Plugging Stuff In:
In this step all you have to do is plug things into each other. This mostly depends on your mother board layout, use the mother board manual to help you find all the slots.First, plug the power supply into the motherboard. Then plug the fans into the power supply.
Inserting a Graphics Card:
Inserting the graphics card is simple, insert the card into the designated slot in the mother board. Then, like everything else in the computer, plug it in to the power supply.Powering up and trouble shooting:
This is the last step to building a PC. You just turn on your computer and set up everything. Create all the accounts you want on the computer and install all the programs you want on the computer.Now you're done! If you have followed these simplified steps, you've built a gaming PC. Now you can tell your friends all about it! If you want a more detailed guide just follow this link--->http://www.pcgamer.com/how-to-build-a-gaming-pc-a-beginners-guide/
If you have any questions ask away in the comments below.