You deleted everything from your USB key or a drive, so there should be enough free space to copy the new files, but you still get the not enough free space message in Mac OS X? This is what you need to do.
Let me show you a nice little Chrome trick which I personally find very useful. You will learn how to save all the open tabs so you can view open and view them any time later.
If you are a Skype user, it maybe disruptive for you that the program is shown in taskbar, although you don't need it at the moment. I will show you how to remove it from the taskbar.
In this tutorial, you can learn how to organize and create your first web page. We will create folder on our computer and save simple .html file to it.