Windows®8 and Windows®8.1 Standard, Enterprise, or Professional edition, Windows®7 Enterprise, Ultimate, Professional, or Home Premium edition, or Windows XP® Professional or Home edition (SP3 or later) operating system
For Windows®8, and Windows®8.1, and Windows7: Intel® Pentium®4 or AMD Athlon™ dual-core processor,3.0 GHz or higher with SSE2 technology
For Windows XP: Pentium4 or Athlon dual-core processor,1.6 GHz or higher with SSE2 technology
2 GB RAM
4 GB free disk space for installation
1,024 x768 VGA display with true color
Microsoft® Internet Explorer®7 or later web browser
For64-bit AutoCAD LT2014
Windows®8 and Windows®8.1 Standard, Enterprise, or Professional edition, Windows7 Enterprise, Ultimate, Professional, or Home Premium edition (compare Windows versions), or Windows XP Professional (SP2 or later)
AMD Athlon™64 with SSE2 technology, AMD Opteron™ processor with SSE2 technology, Intel® Xeon® processor with Intel EM64T support with SSE2 technology, or Pentium4 with Intel EM64T support with SSE2 technology