Epson Scan version 27 is not a standard official version number for Epson's primary scanning software. The current official scanning applications for modern Epson devices are (current version 6.7.81.0) and Epson ScanSmart (current version 3.7.20 ). If you found a "version 27" download, it is likely from an unofficial third-party site and may carry security risks. Official Epson Scanning Software Overview
Version 27 exists in both "Epson Scan" and "Epson Scan 2" lineages. For most traditional flatbed scanners (Perfection V series, WorkForce DS series), Version 27 of the original Epson Scan is the last stable, standalone release before Epson pushed users toward Microsoft Store apps. epson scan version 27 free download