How do I download music from itunes on my computer onto my apple iPhone I have no clue could you please help me step by step

I use Firefox for my browser, lately, I have been trying to download something, and its not saved onto my desktop. I even checked tools/options in Firefox to see where I chose to save the downloaded files too. It clearly say that I chose the desktop. I've been trying to download some pictures my...

My computer does not download anything. When the run dialog box comes on it goes right out like a flash

Hi everyone again I have a problem with security downloads with the yellow and red shield on the tool bar:::no names mentioned but you know who::: They appear to be slowing my machine down and drinking up my hard drive storage space like no tomorrow... Can any one tell me the deal here......