Why is everything of Microsoft (instructions, sites) in Spanish? How do I change the language?

[Windows Central Question]

why is everything of Microsoft (instructions, sites) in Spanish? How do I change the language?

All instructions (even here) are in Spanish. I do not understand why windows 10 chose this language. My surname?

 

[bdball]

Re: why is everything of Microsoft (instructions, sites) in Spanish? How do I change the language?

?Qu? quiere decir?