Visit office.com/setup, sign in, enter your product key, and click "Install Office" to download and set up Office 365 on your Windows and Mac device.

Download Microsoft Office 365 for Windows and Mac

Step-by-step Guide to download Microsoft Office 365 for both Windows and Mac:

For Windows:

• Go to office.com/setup and sign in with your Microsoft account.
• Enter your 25-character product key (if prompted) and click "Next."
• Select your country and language, then click "Next."
• Click "Install Office" to start downloading the installer.
• Open the downloaded file and run the installer.
• Follow the on-screen prompts to complete the installation.
• Once installed, open any Office app (Word, Excel, etc.) and sign in to activate.

For Mac:

• Go to office.com/setup and sign in with your Microsoft account.
• Enter your 25-character product key (if prompted) and click "Next."
• Choose your country and language, then click "Next."
• Click "Install Office" to download the Office installer for Mac.
• Open the downloaded .pkg file and follow the installation prompts.
• Launch any Office app (Word, Excel, etc.) and sign in to activate.

After these steps, Microsoft Office 365 will be ready to use on your Windows or Mac device!