That's a matter for personal judgement, which may be based on many factors.
Windows is better for desktop computers. Linux is better for servers.
Linux
Linux is better than Windows for servers because it is more stable and more secure which are two important reasons why it is better for your server and why you can trust it more.
Financial resources.
Linux, linux mint is a pretty popular but not as windows but it better than window. It has more features, more security, it is an anti virus system no virus has been invented or has or will for linux mint and linux
Linux APIs are better documented, so it's easier to program for. However, you would probably want to do your programming on whatever platform you are targeting. If you are a Windows developer, writing the programs on Linux makes little sense.
For hosting a Wordpress blog? Linux, easily. Linux just plain does servers better than Windows. For writing to one? It really doesn't matter. All that's relevant is the web browser, here.
One cannot be considered "better" than the other, because they aren't directly comparable. Linux is an operating system kernel. A "PC" is a hardware platform. Linux can run on PCs, as well as other types of computers.
Many netbooks come with Linux preinstalled. Better go for Win XP it's Cool
If you are starting and new to Linux try Zorin OS. If you are experienced and know more about and how to use Linux the get Ubuntu.
It all depends on what you want to do with your computer.
It is more user friendly.