160,000 Nintendo accounts were compromised—including one of ours [Updated] | Ars Technica
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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
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Claim your new Nintendo User ID, the latest addition to its complicated online accounts - The Verge
Nintendo Account vs. User ID vs. Network ID: All of Nintendo's Confusing Accounts, Explained
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