The DMDE purchase system is automated. Pay via PayPal, and you get your license.key file attached to the receipt email within 60 seconds.
Recovering a few specific, critical files (e.g., a lost Word document or a photo folder). If your lost data is organized within one directory, you may never need a paid license. dmde licensekey better
If you're looking for information on how to obtain a license key for DMDE or similar tools, I can offer some general advice: The DMDE purchase system is automated