Ensure your system meets the requirements (typically for the newest builds). Click "Get" or the "Download" icon to install. Brother Support Website (For Legacy Models or OS):

Under the section, download the P-touch Editor installer (often version 5.x).

Visit the Brother Solutions Center and enter your label printer's model number. Select your specific macOS version.

To summarize the process for securing the of P-touch Editor 5.1 download for Mac :