Because Quest Software (the developer) frequently updates their distribution channels, finding legacy or specific builds like 15.1 requires navigating their support portal.
Version 15.1 wasn't just a minor patch; it brought several quality-of-life improvements: toad for oracle 15.1 download
If you do not have a license, consider the free alternatives listed below. toad for oracle 15.1 download
: If you already have a commercial license, you can download the 15.1 installer directly from the Quest Support Portal toad for oracle 15.1 download
To confirm you are running version 15.1 after installation, go to within the Toad interface. This window will display your exact version number and bit architecture.