Hi,
From where are you trying to download your Office Home/Student 2019?
You should be able to download it from the following page:
https://account.microsoft.com/services/microsoft365/install
First you will be required to login with your Microsoft account, then by clicking "Install Office":
A "OfficeSetup.exe" should automatically start downloading in your web browser:
You can also refer to the following guide:
Download and install or reinstall Microsoft 365 or Office 2019 on a PC or Mac
https://support.microsoft.com/en-us/office/download-and-install-or-reinstall-microsoft-365-or-office-2019-on-a-pc-or-mac-4414eaaf-0478-48be-9c42-23adc4716658
If you're still having issues, try the following:
- Restart your web browser
- Clear your web browser's cache
- Try another web browser
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If you're still experiencing issues, please post more details about your issue, and preferably screenshots.
Best regards,
Leon