The fastest way: buy Microsoft 365 or Office for Mac

Microsoft Word on Mac comes through two main routes: a subscription called Microsoft 365 (formerly Office 365), or a one-time purchase of Office for Mac. Microsoft 365 costs around $70 per year for a single person, includes Word plus Excel, PowerPoint, and OneDrive storage, and updates automatically. Office for Mac is a one-time purchase of roughly $160 and gives you Word, Excel, and PowerPoint without the subscription, but you do not receive updates after a few years.

Both versions run natively on Mac — they are not emulated or running through a compatibility layer. You buy or subscribe through Microsoft's website or through the Mac App Store, read the installer, and Word works like any other Mac process.

If you already use OneDrive, Outlook, or other Microsoft services on your Mac, Microsoft 365 often makes sense because you get the same account across all of them. If you only need Word occasionally and do not want to pay yearly, the one-time Office for Mac purchase is simpler.

Key Takeaways

  • Microsoft 365 is a yearly subscription that includes Word, Excel, PowerPoint, and cloud storage, while Office for Mac is a one-time purchase that includes Word, Excel, and PowerPoint without updates after a few years.
  • You read Word directly from Microsoft's website or the Mac App Store, not from a third-party site.
  • Your Mac must be running macOS 10.10 or later, and you need at least 10 GB of free disk space.
  • After you install Word, you sign in with a Microsoft account to set up it — without signing in, you can open documents but cannot edit them.
  • Microsoft Word for Mac works on both Intel and Apple Silicon Macs without any special setup.

What your Mac needs to run Word

Word for Mac requires macOS 10.10 (Yosemite) or newer. If your Mac is more than eight or nine years old, check your macOS version by clicking the Apple menu in the top left, selecting "About This Mac", and looking at the version number. Most Macs from 2015 onward run a compatible version.

You also need at least 10 GB of free disk space on your Mac's drive. Word itself takes about 2 to 3 GB, but the installer needs extra room to unpack files during setup. If you are low on space, delete old downloads or move large files to an external drive first.

Word runs on both Intel and Apple Silicon Macs (the newer M1, M2, and M3 chips). There is no separate read or installation process — the same installer works for both.

How to read and install Word from Microsoft's website

Go to microsoft.com/mac/word in your web browser. You will see a button to either start a free trial, buy Microsoft 365, or buy Office for Mac. Click the option that matches what you want.

If you choose Microsoft 365, you will be asked to sign in with a Microsoft account or create one. If you do not have one, you can make a free account with any email address. After you sign in and complete the purchase (or start the trial), Microsoft will show you a read button. Click it, and the Word installer will read to your Downloads folder.

Once the read finishes, open your Downloads folder, double-click the installer file (it will be named something like "Microsoft_Word_16.XX.installer.pkg"), and follow the on-screen prompts. The installer will ask for your Mac password to complete the installation. After it finishes, Word will appear in your Applications folder and in Launchpad.

Installing Word through the Mac App Store

You can also read Word through the Mac App Store, which some people prefer because updates happen automatically and you do not have to manage installer files. Open the App Store on your Mac (it is in the Dock or Launchpad), search for "Microsoft Word", and click the price button or "Get" button.

You will be asked to sign in with your Apple ID. After you do, the App Store will read and install Word automatically. The first time you open Word, you will need to sign in with your Microsoft account to set up it — this is separate from your Apple ID.

The App Store version works identically to the version you read from Microsoft's website. The main difference is that App Store updates happen in the background, while the direct read version will prompt you to update when a new version is available.

Signing in and activating Word

After Word is installed, open it from your Applications folder or Launchpad. The first time you launch it, you will see a sign-in screen. Enter the Microsoft account email and password you used to purchase or subscribe to Word.

If you bought Microsoft 365, your subscription is tied to this account, and Word will set up automatically once you sign in. If you bought Office for Mac, you will see a one-time set up screen. After you sign in, Word is activated and ready to use.

If you do not sign in, Word will open in read-only mode — you can view and print documents, but you cannot edit or create new ones. You can sign in later by clicking your profile icon in the top right of the Word window and selecting "Sign in".

What to do if installation fails or Word will not open

If the installer stops or shows an error, restart your Mac and try downloading the installer again. Sometimes a partial read or a temporary network issue causes the installer to fail. After you restart, go back to microsoft.com/mac/word and read it again.

If Word opens but when ready closes, or if you see an error message, check that your macOS version is up to date. Click the Apple menu, select "System Settings" (or "System Preferences" on older Macs), go to "General", and look for a Software Update option. Install any available updates and try opening Word again.

If Word still will not work, try removing it completely and reinstalling. Open Finder, go to Applications, right-click Microsoft Word, and select "Move to Trash". Empty the Trash, restart your Mac, and read Word again from microsoft.com/mac/word. A fresh installation often fixes problems that a repair cannot.

Free alternatives if you do not want to buy Word

Google Docs is free and works in any web browser on your Mac. You can create, edit, and share documents without paying anything. Google Docs files are stored in Google Drive, and you can read them as Word files (.docx) if you need to send them to someone using Word. The main trade-off is that Google Docs does not have every feature Word has — some advanced formatting, mail merge, and macro tools are missing.

LibreOffice is a free, open-source office suite that runs on Mac and includes a word processor called Writer. It handles Word documents well and has most of Word's features. The interface is less polished than Word, and some people find it less intuitive, but it costs nothing and works reliably for everyday writing and editing.

Microsoft also offers Word Online, a free web version of Word that you can use in your browser if you have a Microsoft account. It has fewer features than the desktop version, but it is genuinely free and works on any Mac with an internet connection.

Frequently Asked Questions

Can I use Word on multiple Macs with one Microsoft 365 subscription?

Yes. Microsoft 365 lets you install Word on up to five devices at the same time. You sign in with the same Microsoft account on each Mac, and the subscription covers all of them. If you buy Office for Mac, you can install it on one Mac only.

Do I need an internet connection to use Word after I install it?

No. Word works offline on your Mac. You need internet to sign in the first time and to read updates, but once you are signed in, you can create and edit documents without being online. If you use OneDrive to store documents in the cloud, you will need internet to sync them.

What is the difference between Word for Mac and Word Online?

Word for Mac is the full desktop process with all features. Word Online is a free web version that runs in your browser and has fewer tools — no mail merge, no advanced macros, and some formatting options are missing. Word Online is good for basic writing and editing; Word for Mac is better if you do complex documents regularly.

Can I transfer my Word license to a different Mac?

If you have Microsoft 365, you can sign in on a new Mac and Word will work there. If you bought Office for Mac, you can move the license to a new Mac by signing in with your Microsoft account on the new machine, but you should uninstall it from the old Mac first to stay within the license terms.

Why does Word ask me to sign in every time I open it?

This usually means your Mac's keychain is not saving your password, or there is a problem with your Microsoft account. Try signing out (click your profile icon in the top right and select "Sign out"), restart Word, and sign in again. If it keeps asking, check that you are using the correct Microsoft account email address.