QuickBooks Pro 2013 is a legacy accounting software that reached its End of Life (EOL)
If you have already installed QuickBooks Pro 2013, you can find your license and product number within the software: quickbooks pro 2013 license and product number
While QuickBooks Pro 2013 works for basic data entry, it is vulnerable to security risks and cannot connect to banks. Consider exporting your company file to a modern version (2024 or 2025) before your old PC dies. QuickBooks Pro 2013 is a legacy accounting software