Here is the manual process (if you can find a patched honestech.ini file or registry key):
The product key for Honestech VHS to DVD 3.0 SE is a unique alphanumeric code required to activate the software and unlock its full video digitizing capabilities. While specific keys are often bundled with hardware, such as the SIIG USB 2.0 Video Capture Device (using key VHS3G-NML9G-4GG9E-H3345-DBM9D honestech vhs to dvd 3.0 se product key
If the software was once activated on your current PC, the key might still be in the registry. Here is the manual process (if you can