Yes, for your own use (usually a desktop and a laptop), but they can’t be used simultaneously (in multi-user mode).
Resolution for '2 computers issue: 'Can I install Quickbooks 2017 pro/premier on 2 computers?' available: Yes.
The 2 computers 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 2 computers issue yourself by looking for a resolution described in the article. If it is a complex 2 computers issue or you are unable to solve the issue, you may contact us by clicking here or by using other 2 computers support options.
For more information about resolving issues related to 2 computers in Quickbooks/QBO or to get support for the issue 'Can I install Quickbooks 2017 pro/premier on 2 computers?', click the link below: