QB Issue Resolution:

Hi mbufungthierry,

There are two ways to register QuickBooks: Manual and Automatic Registration

The Automatic Registration will not require you to call our support. To do this, please open QuickBooks. You’ll be prompted if you would like to register the program, just click Register Now. On the next page, please supply the required information such as the license number, phone number and such. To verify if QuickBooks has been registered, press F2.

Hope this helps you.

Resolution for Issue 'How can I register my Quickbooks if I can not reach the agent on phone?' available: Yes (Solved).
Source: Intuit Community forum.

How can I register my Quickbooks if I can not reach the agent on phone?: this issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.

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