Minimum system support for Windows 7 or Windows Server 2008 R2, Require .NET Framework 4.0 and Transport Layer Security (TLS) 1.2, windows 7 and Windows Server 2008 R2 enable Transport Layer Security (TLS) 1.2 [https://github.com/TheLevelUp/pos-tls-patcher](https://github.com/TheLevelUp/pos-tls-patcher).