You can upgrade to Pro 2017 and probably not have any problems, but since that is a 6 year jump it might be best for you to purchase from Intuit (rather than a retailer) and get them to do the upgrade for you at no extra charge.

Resolution for '6 year jump issue: 'I have my lic# and product key but the confirmation does not show which version of QB I have?' available: Yes.

The 6 year jump 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 6 year jump issue yourself by looking for a resolution described in the article. If it is a complex 6 year jump issue or you are unable to solve the issue, you may contact us by clicking here or by using other 6 year jump support options.

For more information about resolving issues related to 6 year jump in Quickbooks/QBO or to get support for the issue 'I have my lic# and product key but the confirmation does not show which version of QB I have?', click the link below: