Are you trying to perform a specific tweak in NTLite that seems to be locked behind the paid wall?
: The license.dat file is created in the NTLite program folder when you activate the software using your unique license key or activation code. ntlite licensedat download link
For personal use, the Home license is affordable and offers a lifetime of "minor" version updates. Are you trying to perform a specific tweak
After a clean Windows install on the same hardware , reinstall NTLite and copy your backed-up files back into the program folder. NTLite will detect these files and restore your premium features automatically. Important Licensing Rules ntlite licensedat download link