Edited 6/18/2025


Uninstall Older Versions

The latest version of Office 365 utilizes new technologies that are not compatible when older versions are installed on Windows. For the best results, you will need to uninstall Office 2024 or earlier before proceeding.


1. In the search box on the task bar, type control panel, then select Control Panel.

2. Select Programs > Programs and Features, then right-click your Microsoft Office product, and choose Uninstall.

3. Follow the prompts to complete the uninstall.



Steps for Windows 10 and 11


Visit the Office Portal and Sign in to Download Office

  1. Go to www.office.com and if you’re not already signed in, select Sign in.
  2. Sign in with your myusername@yhc.edu email address and password (E.g., jrdoe1@yhc.edu).
  3. After signing in, click Apps on the left on the M365 Copilot screen.

4.  click ‘Install apps’ near the top right of the welcome screen and click on Microsoft 365 apps in the top right


5. This completes the download of Office to your device. To complete the installation, follow the prompts in the “Install Office” section below.


Install Office

  1. Depending on your browser, select Run (in Edge), Setup (in Chrome), or Save File(in Firefox).
    1. If you see the User Account Control prompt that says, Do you want to allow this app to make changes to your device? select Yes.
  2. Your install is finished when you see the phrase, “You’re all set! Office is installed now” and an animation plays to show you where to find Office applications on your computer. Select Close.


Activate Office

  1. To open an Office app, select the Start button (lower-left corner of your screen) and type the name of an Office app, like Word.
  2. To open the Office app, select its icon in the search results.
  3. When the Office app opens, accept the license agreement. You may also be asked to sign in with your YHC Work or School Microsoft Account again. In this case, just use the same email and password that you used to sign in to Office.com earlier in this process.
  4. Office is activated and ready to use.



Installation on a Mac

Office 365 applications can be downloaded directly from the Mac App Store, or the Office Portal.


Mac App Store

  1. Visit the Mac App Store to download Office applications.
  2. Once the download has completed, open an application.
  3. Sign in with your myusername@yhc.edu email address and password. Once you’ve signed in, you’re ready to use your new Office apps!

Office Portal

  1. Go to www.office.com and if you’re not already signed in, select Sign in.
  2. Sign in with your myusername@yhc.edu email address and password.
  3. After signing in, click ‘Install Office’ near the top right of the welcome screen.
  4. Select ‘Office 365 Apps’ to begin the installation.
  5. This completes the download of Office to your device. To complete the installation, follow the prompts in the “Install Office” section below.


Install Office

  1. Once the download has completed, open Finder, go to Downloads, and double-click Microsoft Office installer.pkg file (the name might vary slightly).

Tip: If you see an error that says the Microsoft Office installer.pkg can’t be opened because it is from an unidentified developer, wait 10 seconds and move the downloaded file to your Desktop. Hold Control + click the file to launch the installer.

  1. On the first installation screen, select Continue to begin the installation process.
  2. Review the software license agreement, and then click Continue.
  3. Select Agree to agree to the terms of the software license agreement.
  4. Choose how you want to install Office and click Continue.
  5. Review the disk space requirements or change your install location, and then click Install.
  6. Enter your Mac login password, if prompted, and then click Install Software. (This is the password that you use to log in to your Mac.)
  7. The software begins to install. Click Close when the installation is finished.

Launch an Office for Mac app and start the activation process

  1. Click the Launchpad icon (grey rocket ship) in the Dock to display all of your apps.
  2. Click the Microsoft Word icon in the Launchpad. You may need to look for it on a different Launchpad page if you have a large number of apps installed on your Mac.
  3. The What’s New window opens automatically when you launch Word. Click Get Started to start activating.
  4. Sign in with your YHC Work or School Microsoft Account again. This is the same email and password that you used to sign in to Office.com earlier in this process.