Serial Number Daemon Tools Lite 10.1.0.74

It does not require a paid commercial serial number during setup.

Users can create up to four virtual DT, SCSI, or HDD devices simultaneously to mount multiple images at once. Image Creation and Organization

Using a pirated serial number violates the software’s End User License Agreement (EULA) and copyright law. Software developers rely on license purchases to fund security updates, bug fixes, and feature improvements. The Legal Solution: Using DAEMON Tools Safely

Virtual CloneDrive is another exceptional free alternative. It supports up to fifteen simultaneous virtual drives, emulates CD, DVD, and Blu-ray media, and works with all common image formats including ISO, BIN, IMG, UDF, and CCD. It is completely freeware and can be used at no cost. Like WinCDEmu, it integrates with Windows Explorer, allowing you to mount images by simply double-clicking them.