You can buy  any country version of QB you wish, but registering the US version if you do not have a US address to use for that purpose is not going to happen

And  the US versions only have US sales tax, they will not do input or output VAT type […]

Resolution for 'but registering issue: 'I am coming from Hong Kong. Is there have any restriction to use the US version Quickbooks Pro Desktop in Hong Kong or it is comply with the licensing agreement?' available: Yes.

The but registering 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 but registering issue yourself by looking for a resolution described in the article. If it is a complex but registering issue or you are unable to solve the issue, you may contact us by clicking here or by using other but registering support options.

For more information about resolving issues related to but registering in Quickbooks/QBO or to get support for the issue 'I am coming from Hong Kong. Is there have any restriction to use the US version Quickbooks Pro Desktop in Hong Kong or it is comply with the licensing agreement?', click the link below: