Microsoft Office Professional Plus 2019 requirements. It is important to comply with the requirements specified by the vendor in order to make use of the latest features and functionalities. For Office 2019 the requirements are: Computer and processor; 1.6 gigahertz (GHz) or faster, 2-core. Run: Cscript ospp.vbs /dstatus. This will display the last 5 digits of all Office licenses installed in the computer. Now run: Cscript ospp.vbs /unpkey:<5digitkey>. Repeat the procedure for every key installed. I usually uninstall office and reinstall from 365 site at this point, but I am not sure if it is needed. How to Install Microsoft Office 2019 Full Version (Professional Plus) Download Office 2019 according to the Windows version Turn off Antivirus and Windows Defender Extract files with New Winrar Open the file OInstall_x64.exe. Change the selection to Microsoft Office 2019. Then, check the applications you want to install First off, click on this link: Contact us, select Get support, and type your query on the box and click Talk to an agent below. After clicking the Talk to an agent, it will show you a new browser window, select your product in question, then hit the Next button. Choose Technical Support then hit the Next button again. If you’re a Mac user, we’d go with Mr Key Shop to download Office for Mac. They are currently selling Microsoft Office 2019 Home & Business For Mac for $85.99, compared to Microsoft’s price of $310.99, you’ll save $225.00. With products like Microsoft 365 and Office 2021, you may be wanting to pay full price for the most recent products. Office LTSC Professional Plus 2021 or Office LTSC Standard 2021. A volume licensed version of Office 2019, such as Office Professional Plus 2019. User settings, preferences, and documents are retained, even if you’re uninstalling all Office products. You can use the RemoveMSI element in conjunction with the MSICondition attribute. That Goto File>account. When there, look for a link that says change product key. Click that, insert your key. Close, reopen, you might be prompted for activation. Though we are all happy to help, this is well documented on ms website. In any Microsoft Office app. Hi, I'm turning to the community after I literally tried everything short of installing Windows 10 Pro from scratch lol I uninstalled all versions of Office using the Microsoft tool and even followed the guide to remove all registry keys left by an Office installand no matter what I still see a warning message about Office 2016 Professional Plus in the Office 365 environment. s7iu.