Nintendo Support: Can I Check Which Nintendo Account Is Linked to My Nintendo Switch User Profile?
How to Create a Nintendo Account and Link It to a Nintendo Switch
I'm trying get old wii u account on my switch, but the email is my parents. I've changed the password through the wii u and got an email from Nintendo. Tried to
Nintendo Support: Forgot Nintendo Network ID
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Operations Manual
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Q&A - Nintendo Network
How to Create a Nintendo Account and Link It to a Nintendo Switch
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Please i need Wii U friends! : r/wiiu
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/cdn.vox-cdn.com/uploads/chorus_image/image/2806251/nni.0.jpg "Nintendo details Wii U network ID system - Polygon")