Use Easybib.com for your citations. All you have to do is type the name of your sources in to "easybib" and choose if it is a book or a website, then copy it on to a word document.
I hope you can understand this and it helps!!
Microsoft word is an example of a graphical word program
You can try downloading some kind of computer cleaner like CleanMyMac X free version, also definitely restart your computer if you haven't done so already.
True; you can store anything up to operating systems on them. Come in handy when transferring data from computer to computer.