Microsoft 365 Deployment Guides provide customized guidance and resources for you to plan and deploy your tenants, apps, and services. These explain how to install products, enable security features, deploy collaboration tools, and provide scripts to speed up advanced deployments. Use of these guides is subject to Microsoft's Terms of Use and Privacy Statement.
Open the microsoft365.com/setup URL.
Use your Microsoft account Sign in, and enter the product key to download and install Microsoft 365 or Office on your computer to setup and install Microsoft 365 or Office for the first time.
To redeem a key code, go to the Microsoft 365 Setup Personal page or the Microsoft 365 Account page to manage downloads.
You can easily download Microsoft 365 setup on your Windows or Mac by following the steps mentioned below :
To download the setup, visit the microsoft365.com/setup webpage.
Sign in with your Microsoft account using your email and password.
Enter your product key purchased from the store or any third party website.
To confirm your Microsoft 365 subscription, hit Next.
You've got "Download Now" the next hit from Office.
Open your favorite browser on your Mac.
Type microsoft365.com/setup in the search bar to go to the Microsoft 365 setup page.
Sign in with your Microsoft account using your email and password.
Enter your 25-digit product key purchased from a local store or online.
Confirm your Microsoft 365 subscription and hit "Download Now".
The 64-bit version is installed by default unless Office detects that you already have a 32-bit version of Office (or a stand-alone Office app such as Project or Visio) installed. In this case, the 32-bit version of Office will be installed instead, visit microsoft365.com/setup or account.microsoft.com to locate your service and subscription. Click Manage downloads and click Install on this device, then follow the on-screen options.
Follow the steps below to install Microsoft 365 on your computer :
Go to the folder where you downloaded microsoft365.com/setup.
The downloaded files will usually be found in the "Downloads" folder.
Once you see it, double-click on the Office Setup .exe file.
Select the Yes option on the next screen.
Within a few minutes, your Office setup will be successfully installed.
When the screen asks you to finish the installation, press the Finish button.
Go to the folder where you downloaded microsoft365.com/setup.
The downloaded files will usually be found in the "Downloads" folder.
After viewing the Office Setup DMG file, double click on it.
Select the Yes option on the next screen.
Within a few minutes, your Office setup will be successfully installed.
When the screen asks you to finish the installation, press the Finish button.
To activate Microsoft 365, visit microsoft365.com/setup or follow the steps below :
On your PC, go to microsoft365.com/setup to activate Microsoft 365.
Click the Start button and type the name of the Office app, such as Word.
Select the Word app in the search results and open it.
On the "What's new in Word" screen, select the blue "Get started" button to begin the activation process.
Enter your email address and password associated with your Microsoft account and click Sign In.
Then, accept the license agreement. Microsoft office 365 has been successfully activated and is ready to use.
Open Finder, then go to Applications and scroll down to Microsoft Office Apps.
Open Microsoft Word or any Office app, and in the What's new in Word box that pops up, select "Get started."
To activate Microsoft 365, select Sign in.
Enter the email address and password associated with your Microsoft Office and click Sign In.
The system will then check if you have a valid license added to your Microsoft account and will then activate the product.
you're all set! Click Start using Word. Microsoft office 365 has been activated successfully.
Build your best work with Microsoft 365. With Microsoft 365 subscription plans you can get premium versions of Office apps like Word, Excel, PowerPoint, Outlook, Publisher, and Access (Publisher and Access are only available on PC). Microsoft 365 works across multiple devices, and monthly updates are provided to help make sure your apps are always up to date.
Microsoft 365 is designed to work with the latest browsers and versions of Office. If you use older browsers and versions of Office that are not in mainstream support:
Microsoft will not intentionally prevent you from connecting to the service, but the quality of your Microsoft 365 experience may decline over time.
Microsoft will not provide software updates to resolve non-security issues.
Microsoft 365 is supported under the Modern Lifecycle Policy.
FAQ ( Frequently Asked Questions)
To upgrade to Microsoft 365 with a product key, go to Upgrade with a product key, then sign in with your Microsoft 365 account email and password and enter your product key.
Microsoft 365 is compatible with Windows PC, macOS, Android and iOS. Visit System Requirements to find out the compatible versions of your devices.
Microsoft 365 Family can be shared with up to 5 other people in your family, for a total of 6 users. Only one person can use Microsoft 365 Personal.
You need Internet access to install and activate the Microsoft 365 apps and services included in your subscription. You also need Internet access to manage your billing and install all the latest updates to keep your Microsoft 365 up to date.
You can use Microsoft 365 apps like Word, Excel and PowerPoint without an Internet connection, as the apps are fully installed on your device.
Yes. The documents you create are entirely yours. You can choose to store your documents online on OneDrive or locally on your Windows PC or Mac.
Go to and follow the on-screen instructions to create a Microsoft 365 account with your email or phone number.