Identifying Tiny Bugs?

I have found many of these bugs in my room. They are very small and most of them are found at my window. Two of them were on my bed and I found another in the corner of my room. They don't look like they have wings, but they may be able to fly (one of them landed on my desk under my window very quickly and not by falling). Does someone know what kind of bug this is, why they are in my room or how to get rid of them?