You can try logging on to your QuickBooks account & see if it there to be downloaded again.

You can try this link. I’m not sure if you can get to the Canadian versions or not.

https://community.intuit.com/questions/1259473-download-quickbooks-desktop-from-the-internet

Resolution for '2017 Desktop Pro issue: 'I tried to install 2017 Desktop Pro and lost 2008.I recovered back to earlier date (pre2017 install) but it says I need to reinstall 2008Can you help? CD can’t find?' available: Yes.

The 2017 Desktop Pro 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 2017 Desktop Pro issue yourself by looking for a resolution described in the article. If it is a complex 2017 Desktop Pro issue or you are unable to solve the issue, you may contact us by clicking here or by using other 2017 Desktop Pro support options.

For more information about resolving issues related to 2017 Desktop Pro in Quickbooks/QBO or to get support for the issue 'I tried to install 2017 Desktop Pro and lost 2008.I recovered back to earlier date (pre2017 install) but it says I need to reinstall 2008Can you help? CD can’t find?', click the link below: