I paid for Office 2019 but it is not working and when I try to install it again ir also installs 365 which I do not want and I cant get back to 2019 working

Completely remove the current Office/Microsoft 365 installation, then reinstall Office 2019 from the Microsoft account that owns the one-time-purchase license, rather than from a Microsoft 365 download prompt.

1. Confirm the Office 2019 purchase

1. Open the Microsoft account Services & subscriptions page:
   https://account.microsoft.com/services
2. Sign in with the Microsoft account originally used to purchase or redeem Office 2019.
3. Look for Office Home & Student 2019, Office Home & Business 2019, or your specific Office 2019 edition.
4. If it appears, keep using that account for the removal, installation, and activation steps below. Microsoft documents that owned Office products can be reinstalled from this page.^1^

If Office 2019 is not listed, try any other Microsoft account that may have been used when the product key was first redeemed. Do not purchase Microsoft 365 merely because the installed application requests a subscription.

2. If this is a Windows PC

Since reinstalling without first removing the unwanted installation did not help, use the complete-removal method:

1. Run Microsoft’s uninstall troubleshooter on the affected PC. It can remove Microsoft 365, Office 2021, Office 2019, and Office 2016 on Windows 10 or later.
2. Follow all prompts and restart the PC when requested.^2^
3. Return to the Microsoft account dashboard using the account that shows Office 2019.
4. Select Office apps, find the purchased Office 2019 product, and select Install.
5. Run the downloaded installer. When installation finishes, open Word or Excel, accept the license terms, and sign in with the same account if prompted.^3^

Then open Word → File → Account. Under Product Information, it should show your Office 2019 edition rather than Unlicensed Product or a Microsoft 365 subscription request.

3. If this is a Mac

1. Quit every Office application.
2. In Finder → Applications, move the installed Word, Excel, PowerPoint, OneNote, and—if appropriate—Outlook applications to Trash. Caution: Before removing Outlook, export locally stored POP/IMAP mail or other data that is not synchronized.^4^
3. Reinstall Office from the Office 2019 entry under the purchasing account’s Services & subscriptions page.
4. Open Word and sign in using that same account.

If it still asks for a Microsoft 365 subscription, clear the Mac’s saved Office licensing data:

1. First verify that the correct account shows the Office 2019 license.
2. Download and run Microsoft’s License Removal Tool.
3. Restart the Mac.
4. Open an Office application and sign in with the account associated with Office 2019.^5^

The license-removal operation clears local activation information; it does not remove the purchase from the Microsoft account.

If activation still fails

• If Office 2019 appears in the account but will not activate, use Microsoft’s Office 2019 reactivation process.^6^
• If the computer was replaced or had a significant hardware change, a one-time-purchase edition may report that its activation limit was reached; Office Home & Student, Home & Business, and Professional are normally licensed for one computer.
• If Office 2019 never appears under any account, locate the original purchase confirmation or product key. Purchases through an employer, organization, or third-party seller can require a different installation or license-recovery route.^3^

Office 2019 support has ended, so it no longer receives security updates, but that does not convert a valid one-time-purchase license into a Microsoft 365 subscription.^3^

References

1. Reactivate Microsoft 365 or Office
2. Microsoft 365 subscription features aren't available in Office apps | Microsoft Support
3. Download and install or reinstall Office 2021, Office 2019, or Office 2016
4. Go back to Office 2016 for Mac after upgrading to Office 2019 for Mac
5. How to remove Office license files on a Mac | Microsoft Support
6. Activate Office after reinstalling or installing on a different device