Piriform

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Help and Documentation

Licence Lookup

Lost product license key?
If you have lost your Defraggler Professional license key. Then you can use this tool to retrieve them.

Documentation

A full set of detailed documentation is available at piriform.com/docs. You'll find how-to's, tips and tricks, and technical information for power users.

Piriform Forum

Or, join our community forums at forum.piriform.com to chat with fellow users and get answers to your questions.