If you do not have a purchased key, you can still use the software by following these steps during installation: Run the installer (e.g., DTLite4356-0091.exe When prompted for a license type, select Free License

If you need a legitimate copy or license for DAEMON Tools Lite, you can:

Here is everything you need to know about why this specific version is sought after, the risks involved, and the better way to get the software running. The History of DAEMON Tools Lite 4.35.6

Users could back up their physical CD/DVD/Blu-ray discs into virtual files.