In the above blog post from September 2017, however, Jared Spataro, general manager for Office, mentioned a few:

Microsoft has not released comprehensive information about new features yet. What New Features Will Office 2019 Include? Windows 10 version 1511, 1607, 1703, and 1709 will all be supported for another six months to help enterprise and education users move to the latest supported versions of Windows 10. Microsoft is also extending it’s Windows 10 support for enterprise and education customers running certain versions of the operating system. In a support article for service and support of Windows and Office, Microsoft has revealed you’ll need to upgrade to Windows 10 if you want the latest version of Office without subscribing to the company’s Office 365 service. Microsoft is providing an update on Office 2019 today, revealing that the apps will only run on Windows 10. Make no mistake: this is a versatile set of tools and no office should be without it. It also boasts a range of enhanced IT options that are designed to make life easier for newcomers to the field. Software Microsoft Office 2019 includes the latest versions of Word, Excel, PowerPoint, Outlook, Exchange, SharePoint and Skype for Business, each of which is an essential tool in the computerized office workplace of today. Microsoft Office 2019 is the latest iteration of the industry-standard office suit. Introduction Microsoft Office 2019 Latest Full Download

The steps to install these versions can be different depending if you got Office through one of the following ways. Some versions of Office such as Office Professional Plus 2019, Office Standard 2019, or a stand-alone app such as Word 2019 or Project 2019 don't have an associated Microsoft account, or work or school account. If you already have other 64-bit Office products installed, use the 64-bit version of OneNote. Other download options For the best compatibility, we recommend the 32-bit version. Microsoft Office 2019 Latest Full Version Free Download

Office 2019 32 bit full