The specific version you're mentioning, BricsCAD Pro 11.3.10 Portable, suggests a portable version of BricsCAD Pro with version number 11.3.10. When looking for a portable version of software, it's crucial to:
: Seamlessly read, write, and edit .dwg files from version 2.5 to 2010. BricsCad Pro 11.3.10 Portable -ak-
The tier of BricsCAD traditionally extends beyond basic 2D drafting to offer advanced capabilities: The specific version you're mentioning, BricsCAD Pro 11