Activation Problems

How to Complete Microsoft Account Setup and Activate Office for Mac

Anum MushtaqAnum Mushtaq Oct 19, 2026 869 views

Question details

The user is unable to proceed past the Microsoft Account setup screens to redeem their product key and complete the activation process for Office for Mac.

How to Complete Microsoft Account Setup and Activate Office for Mac
Product
Microsoft Office for Mac
Device & OS
Mac (macOS Big Sur 11.0 or newer)
Scenario
Attempting to link a new Office product key to a Microsoft account to download and activate Microsoft Office Home & Student 2021.
Observed behavior
The setup process gets stuck on the 'Customize Account' or 'Explore Apps' steps, preventing the user from successfully downloading and activating the Office software.
Before you start

Ensure you have your 25-character Office product key ready and verify that your Mac is running a compatible macOS version, such as macOS Big Sur 11.0 or newer.

Solution 1Recommended

Redeem Your Product Key and Activate Officially

Follow Microsoft's official activation guide to link your product key to your account and download the installer.

To successfully install Office for Mac, the software must be tied to a Microsoft account. By redeeming your product key on the official setup page, the license is bound to your profile, allowing you to bypass setup loops and download the software.

1
Visit the Microsoft setup page

Go to the official Microsoft Office setup page (setup.office.com) in your web browser.

2
Sign in

Log in with the Microsoft account you want to associate with your Office purchase.

3
Enter product key

Type in your 25-character product key when prompted, without hyphens.

4
Download and install

Follow the on-screen prompts to complete the account linking, then navigate to your account dashboard to download the Office for Mac installer.

Protect your account: Never share your product key, password, or private account information on community forums.
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  1. 1. Download the installer: Visit the official WPS Office website and download the free Mac installer.
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Frequently Asked Questions

Why is my Mac saying my macOS version is incompatible with Office 2021?

Microsoft Office Home & Student 2021 requires at least macOS Big Sur 11.0 or newer. You will need to update your macOS via System Preferences > Software Update to install it.

Where do I find my 25-character Office product key?

Your product key is typically found on the back of the physical card if you bought it in a retail store, or inside your purchase confirmation email if you bought it digitally.

Can I use Office on Mac without a Microsoft account?

No, modern versions of Microsoft Office for Mac require you to link a Microsoft account to your product key in order to download, install, and activate the software.

What should I do if my product key says it is already in use?

If you receive this error, the key has likely already been successfully linked to a Microsoft account. You must sign in using the exact Microsoft account you initially used to redeem the key.