When you setup Office 2019 for the first time an Office Account is created and the Product Key is integrated/embedded with the Office Account so that you should not need your Product Key again, BUT keep it safe as it is your proof of purchase of your retail version of Office 2019. 5. No. According to Microsoft's Office product page, it is a one time purchase for 1 Mac or PC. This means that you can only install it on 1 machine - either a Mac or a PC, but not both. There's also an excellent comparison chart showing what's covered between the 2019 standalone version and the O365 subscriptions. Buy product key Microsoft Office 2019 Standard. - We sell all the software in the store at the lowest prices than all competitors! - Instant delivery of the license product key to your email immediately after payment. - Warranty and 24/7 free technical support of our store. 950. Yes you can re-install any consumer Office license on the same computer after re-installing Windows, or upgrading Windows or even upgrading some hardware. To re-install on same device you don't have to do anything "special", as Brian described you simply need the installation file or disk and your 25 character Product Key. You can obtain Office 2019 either as perpetual license or via subscription. Office 2019 requires Mac OS 10.13 or newer. Prices vary depending on who you purchase the products from. I always recommend shopping sellers such as Amazon, eBay, BestBuy, Office supply stores, Microsoft Store, Mac Store, etc looking for deals and special offers. Here is a quick guide on how to activate your Microsoft Office 2019 Professional Plus license key on your device! For other MS Office versions – seek Microsoft Customer Care Help. This activation code allows installing only this Office version. Previous versions will not be available anymore. If you can see this message from Activation Wizard In general if you have a volume license for Office 2019, then you can install the product on as many computers, as specified in your volume license. If you are using the Office 2019 product that comes as a key or a box, you can use that on one computer only. You can reach more experts and ask them over at the dedicated Microsoft Office forum Microsoft Office Standard 2019 Genuine License Keys for Windows – 1 PC. $ 29.99. Add to cart. -80%. Out of stock. Microsoft Office. rUGoaSr.