Intuit agents cannot assist with 2015 troubleshooting.
The specific for your region (US, CA, UK). quickbooks 2015 download
This is a detailed guide for download, installation, and critical warnings. Note: Intuit no longer supports QuickBooks 2015 (end of support was April 2018). It is not compatible with newer operating systems or security standards. Intuit agents cannot assist with 2015 troubleshooting
Intuit no longer provides a public, easy-access download page for 2015. You generally have two options: Note: Intuit no longer supports QuickBooks 2015 (end
Do search for “QuickBooks 2015 free download full version” – those are 99% malware. If you have a license and installer, use it offline on an old PC. For business use today, upgrade to a supported QuickBooks version.
Use the QuickBooks Tool Hub to remove traces of old versions before installing.
: Windows 7 SP1, 8.1, or Windows 10 (compatibility may vary on newer Windows 11 systems). Installation Guide