Answer. Yes, as long as you "activated" the pre-installed 2019 to your email account, and when you sign in to the MyAccount site you can see Office 2019 in the account you are all set up to re-install it on your computer (or another computer, but only one computer at a time). Here are the "official" MS install instructions. 1. note: i was already signed in. 2. it asked me for the "Product Key" XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. 3. inputted the Product Key. 4. then the site says: This product key has already been used. Install from your Microsoft account. 5. last sentence (Install from your) is clickable, so i clicked. 6. then it takes me to another page saying: If you have a Microsoft 365 for home subscription, or you purchased a one-time download of Office 2016, click the Contact Us link at the bottom of this page. Ask the community Get help from experts in our forums: Office on Windows forum for personal, home, or university users Microsoft 365 community forum for business users. Provide feedback in On the Office home page, do the following depending on your version of Office. If you signed in with a Microsoft account, from the Office home page select Install Office > Install. (Office 365 subscribers should select Install again). This begins the download of Office. Follow the prompts on your screen to complete the install. Reasons to choose the 64-bit version. Computers running 64-bit versions of Windows generally have more resources such as processing power and memory, than their 32-bit predecessors. Also, 64-bit applications can access more memory than 32-bit applications (up to 18.4 million Petabytes). Therefore, if your scenarios include large files and/or Now I uninstalled both to try and remedy the issue, yet the Office programs (Word, PowerPoint, Excel, etc.) still continue to ask for a Product Key every time I reopen the programs or documents, though typing in the key for the Home & Business version I recently purchased is still valid and works. Another one with the same problem: Office Home and Business no longer shows product key - Microsoft Community My company purchased 10 Office Home and Business licenses in 2019. Once I added the purchased products to my Outlook account, I was able to click on the purchased product to display the product key. Under Install information, locate the old Laptop which Office was installed on Select Deactivate Install to deactivate the Office installation Then, click Install to install Office Question: Is the $149 spent for Office 2019 product key/download lost, or will Microsoft allow the software to be installed on the replacement device? This thread is locked. You can vote as helpful, but you cannot reply or subscribe to this thread. tngsvpw.