Installing the UMAX Astra 4100 on Windows 7 is possible, though it is no longer officially supported as its last native drivers were for Windows XP
Download and install a virtualization tool like or VMware Workstation Player . Install a copy of Windows XP within the virtual machine. install umax astra 4100 scanner windows 7
The Astra 4100 originally shipped with both USB 1.1 and a 25-pin SCSI (parallel port-like) connection. For Windows 7: Installing the UMAX Astra 4100 on Windows 7