The "PT-BR" in the name refers to the Portuguese (Brazil) language pack, which is included in this ISO file. This means that you can enjoy Windows 8.1 Pro with a user interface and documentation in Portuguese, making it easier to navigate and use.
"What do I owe you?" she asked.
: Typically strips out Windows Defender, Telemetry (tracking), and background services like Windows Update. windows 81 pro x64 lite ptbriso free extra quality