Help with pc

[Bracingwriter08]

So during time and time again I have gotten use to know some little about computers but I need help my computer I have is giant shit it can't get more than 30fps on minecraft and other games so I need help my budget limit is 600 and can u please use pc specialist or cyber power system and please send the configuration and how much it is and please include new keyboard and mouse and windows 7 if you can thanks a lot

 

[Aspire77360]

Can you build a PC yourself? You'll get better specs for the same budget if you can. Also, what currency?

 

[Bracingwriter08]

Can you build a PC yourself? You'll get better specs for the same budget if you can. Also, what currency?

I could but I don't know a thing about connecting the components together and what case and where to place them
The currency is £ English money