In 2019, Windows 7 is about to end support, but Windows XP reached End-Of-Life. According to the Future of Network and Endpoint Security report was published by SpiceWorks, 32% of organizations still have at least one Windows XP device connected to the network. Windows XP ended with an extended support in 2014, and the last XP version of Windows POSReady 2009 ended in April 2019.
The report also found that 79% of enterprises still have at least one Windows 7 device connected to the network. Windows 7 will end support on January 14, 2020, two-thirds of companies plan to migrate Windows devices prior to this date, and a quarter of companies plan to migrate after that deadline.
Retaining the old operating system is usually because the old application can only work on the old operating system, and upgrading or supporting the new operating system is too expensive for the enterprise.