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These are the questions people ask most often when they visit microsoft365.com/setup. Each answer links to a detailed guide if you need more help.
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It is Microsoft’s official page for redeeming a Microsoft 365 product key and linking the subscription to your Microsoft account. Read what microsoft365.com/setup is.
Yes. Both addresses lead to the same official setup page. Type either one directly into your browser rather than clicking ads.
On the retail card (often under a scratch-off strip) or in the confirmation email from the store where you bought it.
No. A key is redeemed once and then tied to your Microsoft account. To reinstall later, sign in to your account and select Install apps.
Usually not. Business plans are set up by an admin in the Microsoft 365 admin center, and users sign in with a work account. See microsoft365.com/setup for business.
Check which account holds the subscription by signing in to each one. See linking your Microsoft account and contact Microsoft Support if you need to move it.
Be very cautious. Never share your product key, passwords, or remote access with unsolicited callers. Read how to avoid setup scams.
Try a different browser, clear your cache, and confirm you are signed in to the right account. See the troubleshooting guide.
This is an independent guide and is not affiliated with Microsoft. Always enter your product key only on the official microsoft365.com/setup page.