For security, after downloading, open Terminal and type: shasum -a 256 ~/Downloads/PTE5*.dmg Compare the result with Brother’s official hash (found in a .txt file on the same download page). If you cannot find the hash, simply ensure the file is signed by "Brother Industries, Ltd."
Starting with macOS Catalina (10.15) moving to Apple Silicon (M1/M2/M3), Brother shifted focus to P-touch Editor 6.x (64-bit). However, version 5.1 remains the "top" choice for many users running older hardware (Mac Pro 2012, MacBook Pro 2015) or legacy OS versions (Mojave and earlier). p touch editor 51 download mac top