What you need
- Your 25-character product key
- A Mac running macOS 12 (Monterey) or later
- A Microsoft account
Step 1 — Redeem your key
- Go to office.com/setup and sign in with your Microsoft account.
- Enter your product key and select Next.
Step 2 — Download and install
- On the confirmation page select Install Office — the site detects macOS and offers the installer package.
- Open the downloaded
.pkgfile and follow the installer. - Open Word, Excel or PowerPoint, accept the license terms, and sign in with your Microsoft account — Office activates automatically.
Notes
- Office for Mac includes Word, Excel, PowerPoint, Outlook and OneNote; Access and Publisher are Windows-only.
- Office 2021/2024 keys are cross-platform: the same key works on Windows or Mac, one device at a time.
- Reinstall any time from account.microsoft.com under Services & subscriptions.


