It seems you aren't linking to "glut32.lib" ?
solved
![Wink ;)](https://www.sfml-dev.org/forums/Smileys/default/wink.gif)
i have forgot to link at linker setting:
-lopengl32
-lglu32
-lglut32
And copy dll on project Debug folder
![Cheesy :D](https://www.sfml-dev.org/forums/Smileys/default/cheesy.gif)
excuse me but the documentation is all in English and Italian do not find anything, sometimes I get lost
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Thanks again