The minimum system requirements for the iCG QuickBooks Plugin installation for QB 2016 - 2022 include:
Windows 10, all editions including 64-bit, natively installedWindows 8.1, all editions including 64-bit, natively installed
Windows Server 2019, Standard and Essentials
Windows Server 2016, Standard and Essentials
Windows Server 2012 R2, Standard and Essentials
Windows Server 2012, Standard and Essentials
2.4 GHz processor
4 GB of RAM (8 GB recommended)