Windows 10/11 security updates often break legacy driver signing. Solution:

The official Brother P-Touch Editor 5.4 software can be downloaded directly from the Brother Solutions Center. Because the software is specific to your printer model and operating system, you should always source the link from the manufacturer to ensure you receive the correct driver package and the most recent security updates. To find your specific download link, follow these steps: Visit the Brother Solutions Center website. Select the "Downloads" category.

: Includes over 200 templates across 25+ categories and support for importing images (JPEG, GIF, BMP, PNG) and logos.

If you are moving between versions, Brother recommends retaining version 5.4 for these specific tasks that are currently unsupported in P-touch Editor 6.x: