You’ll receive a by email. Keep this key safe – it is unique to you.

: For many years, the tool was free for personal, non-commercial use . The free version had a deliberate speed cap of approximately 50 MB/s (or 180 GB per hour). For users who needed maximum speed (e.g., IT professionals reformatting large drives), a paid license removed this limitation, with personal licenses costing around $3.30 USD and commercial/professional licenses priced at about $27 USD . During this period, users often searched for specific version keys, such as THFD-WHEY-LYQB-JQYV cited for v4.40, to activate the full-speed mode.

However, many users stumble when they realize the free version has speed limitations. This leads to a common search query: "HDDGuru low level format license code."

: Unlock the full speed of your hardware, which is crucial for modern high-capacity drives.

When Windows recognizes a drive as RAW and refuses to format it normally.

Required if you are using the tool in a business environment (like a repair shop) to wipe customer drives. How to Apply Your License Code