If you've previously purchased an older version of Daemon Tools, you might be eligible for a discount on the latest version. Check the official website for upgrade options.
If you have already downloaded a file from an unofficial "Serial Number" link, run a full system scan with Malwarebytes or Windows Defender immediately.
DAEMON Tools Lite 10.1.0.74 is a legacy version of the popular imaging software, and searching for a specific "Serial Number" or "Link" for this version often leads to significant security risks. The Risks of "Serial Number" Searches