Before installing Flex Host Access Library, ensure that your system meets the following minimum requirements:
Microsoft Windows operating system:
- Windows 11 
 - Windows 10 
 - Windows Server 2022
 - Windows Server 2019
 - Windows Server 2016 
 - Windows Server 2012/2012 R2 
 
Hardware:
- Minimum of 1 GB memory (RAM). 
 - Minimum of 12 MB available disk space.
 
TCP/IP connection to one of the following host systems:
- IBM Z (mainframe TN3270E) 
 - IBM i (AS/400 TN5250)
 - VT420/220/100/52/SCOANSI/Wyse (Unix/Linux)