Using is a common choice for users with older hardware who need mobility and reliable performance. However, there are critical trade-offs between "portable" convenience and standard software stability. Quick Assessment
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AMD Athlon 64 or Intel Pentium 4 with EM64T support (SSE2 technology required). autocad 2012 portable windows 7 64 bits better
Using a portable version of on Windows 7 64-bit is a common choice for users needing a lightweight, stable CAD solution that doesn't require a full system installation. Why AutoCAD 2012 Portable on Windows 7 64-Bit? AutoCAD 2012 Portable on Windows 7 64-bit Using