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If you are activating License Statistics licenses on Windows, we strongly recommend using License Activator, as described in Installing License Statistics on Windows to avoid errors. However, you can use License Activation Center if necessary, following these same instructions.
Note: Generally, license re-hosting is free; however, we reserve a right to charge an administrative fee for unusually frequent re-hosting caused by repeated errors. Most errors can be avoided by carefully following these activation instructions and other instructions you've been given.
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