@Oberdan
This is a great location to get assistance! I read your post and see that you want to know where is wireless settings on your HP ENVY 27 all-in-one. I would like to help you resolve this issue.
This computer has a built-in wireless network card.
Follow the below steps to change the Wi-Fi settings.
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In the Windows search box, type Settings.
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Open Settings from the results list.
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Select Network & Internet, and then click Wi-Fi.
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To turn on or off Wi-Fi, use the toggle button. For information about available networks, hardware properties, and management of known networks, click the appropriate link.
To use random hardware addresses, read the description and then use the toggle button to turn it on or off.
Figure : Wi-Fi settings
To find Wi-Fi connections make the selections in Wi-Fi services.
Figure : Wi-Fi services
To choose from a list of network providers for Online Sign-up, turn on Let me use Online Sign-up to get connected.
Figure : Hotspot 2.0 networks

Click here and refer the document for more steps.
Let me know how it works.
Cheers.
Sandytechy20
I am an HP Employee