Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Hi Don,
Thank you for contacting Microsoft Community and we will be glad to assist you with your concern of installing Publisher 2010.
Since you had purchased Publisher 2010 online, you might have received an email with the link to download Publisher 2010 program and the product key to install it. Check if you have saved the email. If yes, then you may download and install Publisher 2010 from the link emailed to you during the time of purchase.
You may also download standalone Publisher 2010 trial from the link mentioned below, save the set up file on the system and install it using the product key that you had purchased and check if it helps:
http://www7.buyoffice.microsoft.com/emea1/product.aspx?sku=10234421&country_id=GB
Note: Ensure to download and save the setup file on the system and then run the setup from the saved location.
I hope the above suggestion helps to resolve your issue. If you need further assistance on this particular issue or any other Office related issues let us know and we will be glad to assist you.
Thank you.