For 32-Bit AutoCAD LT 2012
Microsoft® Windows® XP Professional or Home edition (SP3 or later)
Intel® Pentium® 4 or AMD Athlon™ dual-core, 1.6 GHz or higher with SSE2 technology
1 GB RAM
1.4 GB free disk space for installation
1,024 x 768 VGA display with true color
Microsoft® Internet Explorer® 7.0 or later
Install from download or DVD
Or
Microsoft® Windows 7 including Enterprise, Ultimate, Professional, or Home Premium edition or Microsoft® Windows Vista® (SP2 or later) including Enterprise, Business, Ultimate, or Home Premium edition
Intel Pentium 4 or AMD Athlon dual-core processor, 3.0 GHz or higher with SSE2 technology
1 GB RAM
1.4 GB free disk space for installation
1,024 x 768 VGA display with true color
Internet Explorer 7.0 or later
Install from download or DVD
For 64-Bit AutoCAD LT 2012
Microsoft Windows XP Professional edition (SP2 or later), Windows Vista (SP2 or later) including Enterprise, Business, or Ultimate edition, or Windows 7 Enterprise, Ultimate, Professional or Home Premium edition
AMD Athlon™ 64 with SSE2 technology, AMD Opteron™ with SSE2 technology, Intel® Xeon® with Intel EM64T support with SSE2 technology, or Intel Pentium 4 with Intel EM64T support with SSE2 technology
1 GB RAM
1.4 GB free disk space for installation
1,024 x 768 VGA display with true color
Microsoft Internet Explorer 7.0 or later
Install from download or DVD