These operating Systems still make up a 3rd of the Desktop and Server marketshare and on 14 January 2020 CE Microsoft Will be Ending free Support for these. Paid Support lasts until 2023CE (Same time as Windows 8,1) . This applies to Windows 7. Windows Vista (Unofficially), Windows Server 2008, and Windows Server 2008R2. Windows Vista ended Official Support in 2017CE but since the structure of Windows Server 2008 was similar to that of Windows Vista updates could still be installed on Windows Vista. We have came across all these OSs at one point, as we Still Use Windows Vista for many of our middle spec Virtual Machines and still have them on some of our computers, like many other people. For this reason, we have updated our XP Browser so that it is also a Browser for Windows Vista-2008R2/7. It will now be referred to as “XPto7/2008R2 Browser by Asbestosstar.”. It is a Browser which has some of the basic Securities you need for surfing the Web and it supports older OSs and is easy to make even more secure (under the condition that you sacrifice some convenience) by Going to Clear Data, and Tell it to auto Delete after close. It is a great Browser Based on Maxthon 5. Download it on the Link Below. Also, the Emmbedded version of Windows 7 is supported until 13 October 2020CE.
These are not the only products Microsoft is ending support for though, they have a whole list .
This Browser is supposed to be used temporally until you go to a Unix Like System, or for retro machines.