OS (Operating System)
Windows 7 (32-bit, 64-bit)
Windows 8 (32-bit, 64-bit)
Windows 10 (32-bit, 64-bit)

CPU
1GHZ or faster, 32-bit(x86) or 64-bit(x64) processor

RAM
For 32-bit GstarCAD – 1GB (3GB recommended or higher)
For 64-bit GstarCAD – 2GB (4GB recommended or higher)

Display
1024 * 768 VGA with True Color (minimum)
Build-in Graphics or Dedicated GPU

Hard Disk
1GB free hard disk available or higher (3GB recommended or higher)