I downloaded some files, but I forgot to see what format they were in. Unfortunately, when I went to play them, they wouldn’t open. I kept getting an error message. It turns out that I needed to convert AVI to MKV. I didn’t know how at the time, so I had to get online and start doing some research. It was easier than I thought. I found a great software application that will covert any file to almost any format. It is easy to use and doesn’t take up too much space on my computer. Now I can download anything.