Prone to viruses, spyware, and adware if proper steps not taken such as installation of internet security software, which reduces performance speed.Almost all hardware has drivers which are compatible with Windows.Some commercial games work only with Windows and DirectX.The largest library of programs and applications.A few of the most popular operating system, their pros and cons, and some of their best uses are described below.
There is no specific operating system which can be called 'the best' overall, and since most current operating systems share most common and advanced features there is much debate on the topic. The best desktop operating system to use depends on what its intended use will be and who will be using it. Some details may be different from what is written below, and the answer should be updated accordingly. Note: Both Mac OS X and Windows have come out with newer versions as of the writing of this answer.