Is Kosovo actually a country yet?
No. While some countries do recognize Kosovo as its own independent state, the international community as a whole generally does not recognize Kosovo. According to the CIA about 50 state recognize Kosovo’s independence, about 1/4 of the world’s countries. In regards to rules for a new country… well there really aren’t any… look at the American Revolution of the late 1700s – the Americans declared their independence and all hell broke lose. Basically… if you are powerful enough, and you have enough support of one form or another then you can attempt to form a new country by breaking away from an existing one (though it very rarely suceeeds) In regards to recognition… well yes usually a majority of the world’s states have to recognize a state before it can be officially called a state… but that is a very grey area. For example… most Middle Eastern states refuse to recognize Israel while most of the international community does. Israel is generally regarded as its own independ