If you are reinstalling Quicken 2015 to use without connected services, you will still need to install the latest update patch to complete the registration process. Please be aware that although we provide this link to assist with the installation, Quicken 2015 is no longer supported. If you encounter any issues while attempting to complete this installation, Quicken Support will be unable to assist.
First, install Quicken 2015. Then, when prompted to start the registration, close Quicken. Install the corresponding patch below and complete the registration.
Patches for Quicken 2014 and older versions are no longer available.