You can get most updated information regarding system requirements here: http://www.webdesignfromscratch.com/resources/recommended-computer-systems/
You can start up with - a dedicated server Like below CPU: Core 2 Quad 9400 Cores: 4 Memory: 8GB Harddrive: 2 x 1.5TB Bandwidth: 100Mbit Unmetered Dedicated IP addresses: 60 Portspeed: 100 mbit Management: Semi managed Price per month Cost You maybe: $328 Then later you can upgrade it!... Centro and cPanel dedicated panel free! Mybe this is will be a good start!
i don't now what you means is ... if you need upload files to be online, you need web hosting and domain. for detail hosting, you can search on the internet. choose the space, speed and location the web server. for the domain name, you should buy in the market place. depend the valid domain or fake. i hope my advice be useful for you.