cFosSpeed is the official Internet Accelerator for ASUS, GIGABYTE, ASRock and MSI gaming products

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General hints

A cFosSpeed license bought from can be used at any time to activate cFosSpeed.

An explanation on how to do this can be found at:
Installation / Registration / Uninstall

You've lost your license key or password

  1. Please use our Resend License Key form

Hints for special problems

The license key opens like a text file

  1. Save the license key to your hard drive
  2. Open the file by right clicking on it and selecting Open with and then using Search for choosing the cFosSpeed installation program setup.exe inside the cFosSpeed installation directory, e.g. C: -> Programs -> cFosSpeed -> setup.exe.

cFosSpeed DocumentationKey Registration Help PageHow to handle problems with activating the license key