VueScan offers a free trial, which is the perfect way to test compatibility with your Umax Astra 5800 before committing to a purchase. If it works, a single license removes the scanning limitations of the trial version and provides unlimited use on up to four computers. It provides a simple, secure, and professional-grade method for getting your scanner back in action.
You can download the Umax Astra 5800 scanner driver for Windows 7 64-bit from the following link: Umax Astra 5800 Scanner Driver For Windows 7 64 Bit -UPD-