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How to Reinstall Microsoft Office Home and Student on the Same PC
Question details
The user needs to reinstall a one-time purchase of Microsoft Office Home and Student 2019 on their original computer after accidentally uninstalling it.
- Product
- Microsoft Office Home and Student 2019
- Device & OS
- not provided
- Scenario
- Recovering and reinstalling Office software after an accidental uninstallation on the originally licensed computer.
- Observed behavior
- Office applications are missing from the PC and need to be downloaded and activated again without purchasing a new license.
Ensure you have the login credentials for the Microsoft account originally used to purchase or register your copy of Office Home and Student 2019.
Reinstall Office Home and Student via Microsoft Account
Download the installation file directly from your Microsoft account's purchase history to ensure you get the correctly licensed version for your PC.
Because Office Home and Student 2019 is a one-time purchase, its digital license is permanently tied to your Microsoft account. You do not need to buy it again to reinstall it on the same device.
Go to the Microsoft account website in your web browser and sign in using the exact email address and password associated with your Office purchase.
Click on 'Services & subscriptions' located in the top navigation menu to view all products linked to your account.
Locate 'Microsoft Office Home and Student 2019' in your list of purchased products and click the 'Install' button to download the OfficeSetup.exe file to your computer.
Open your computer's Downloads folder, double-click the OfficeSetup.exe file, and follow the on-screen prompts to complete the installation.
Once installed, launch any Office application (such as Word). Sign in with your Microsoft account if prompted. Since the hardware has not changed, Office should activate automatically.
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Frequently Asked Questions
Do I have to pay again if I uninstalled my one-time purchase of Office?
No. As long as you reinstall it on the exact same computer and sign in with the Microsoft account used for the original purchase, you do not need to buy another license.
What if I don't see Office Home and Student in my Microsoft account?
If your product is missing from the 'Services & subscriptions' page, you are likely signed into the wrong Microsoft account. Verify that you are using the exact email address used when you originally purchased or activated Office in 2019.
Can I use the original product key to reinstall Office?
If you have the original 25-character product key, you can enter it at setup.office.com to link it to your account and download the installer. However, if you already linked it in 2019, downloading directly from your Microsoft account's 'Services & subscriptions' is the proper method.
Why is my newly reinstalled Office asking for activation?
Even when reinstalling on the same PC, a fresh installation often prompts you to sign in to verify your digital license. Simply log in with your associated Microsoft account to complete the activation process.
