Waaaclan, building a PC is terribly overrated, although becoming less so with time & with the glut of related guides out there.
It's basically just a case of carefully fitting & slotting everything in, connecting all the necessary cables & installing the OS.
Usually the toughest part is choosing the correct components to go together, & ones that meets your needs well without overdoing it or overspending. Most components have a good standard quality, but power supplies (PSUs) come in various qualities & power ratings - try not to skinch on the quality of this & get one that suits the system's requirements well.
Anyway, what I'm trying to say is don't make it any more complicated than it is - which it isn't! Get the correct components & you're 80% there. Enjoy it, & as sunnystaines says, just post here if you need any help :-), G
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