This most likely refers to the software's and a user-defined password for project files. During installation, users are prompted to enter a unique license key (sometimes referred to as a "Key ID") provided by Brother. Additionally, the PS-300B software has options for setting project-specific passwords. An analysis of the software's menus reveals the ability to "add codes to a point" and manage the "Code List box," which are likely used for setting access permissions or protection for individual design files. This system allows designers and companies to control access to their pattern libraries.

: You cannot activate an update using just the password. The physical Brother PS-300B Installer Disc must remain inserted into your computer's disc drive throughout the validation check.

: If an older version of PS-300B is already present, it must usually be uninstalled via the Windows Control Panel before a new version can be registered with its Key ID.

Reduce time on resizing and correction by utilizing the intuitive interface, notes Brother.

The Ultimate Guide to PS300B Key ID Password Exclusive Access