Beginning in 2017, all new Level 4 merchants were required to use only Payment Card Industry (PCI)-certified QIR solutions providers for POS application and terminal installation and integration.
I am sure you have heard it from many sources at this point, but we just wanted to remind you and share information about what this means for your Windows 7 computers:
"While you could continue to use your PC running Windows 7, without continued software and security updates, it will be at greater risk for viruses and malware." - Microsoft Support
Click Here to Learn More from Microsoft