https://community.intel.com/t5/Mobile-and-Desktop-Processors/Is-a-Core-2-Duo-64-Bit-Ready/m-p/257379#M3826 <P>There are several flavors of core dual supporting different options as listed here. (<A href="http://www.intel.com/products/processor/core2duo/specifications.htm">http://www.intel.com/products/processor/core2duo/specifications.htm</A> <A href="http://www.intel.com/products/processor/core2duo/specifications.htm">http://www.intel.com/products/processor/core2duo/specifications.htm</A>)</P><P></P><P>However, I do not see a 2.10g version so it makes it difficult to be 100% certan</P><P></P><P>I would recommend CPUZ from CPUID as a quick check as what all options your CPU supports.<A href="http://www.cpuid.com/softwares/cpu-z.html">http://www.cpuid.com/softwares/cpu-z.html</A> <A href="http://www.cpuid.com/softwares/cpu-z.html">http://www.cpuid.com/softwares/cpu-z.html</A></P><P>If it reports EM64T instructions, your good.</P><P></P><P></P> Wed, 22 Dec 2010 08:43:10 GMT DSilv11 2010-12-22T08:43:10Z https://community.intel.com/t5/Mobile-and-Desktop-Processors/Is-a-Core-2-Duo-64-Bit-Ready/m-p/257378#M3825 <P>I have an Intel Core 2 Duo Processor that clocks in at 2.10 Gigahertz and I am running Windows 7 Professional, i have 3 GB's of RAM, but i just ordered another two, so i will have 4GB, and i want an OS that will recognize all of my RAM. I wanted to know if my laptop will run Windows 7 Ultimate 64 Bit??</P> Wed, 22 Dec 2010 02:55:50 GMT https://community.intel.com/t5/Mobile-and-Desktop-Processors/Is-a-Core-2-Duo-64-Bit-Ready/m-p/257378#M3825 idata 2010-12-22T02:55:50Z https://community.intel.com/t5/Mobile-and-Desktop-Processors/Is-a-Core-2-Duo-64-Bit-Ready/m-p/257379#M3826 <P>There are several flavors of core dual supporting different options as listed here. (<A href="http://www.intel.com/products/processor/core2duo/specifications.htm">http://www.intel.com/products/processor/core2duo/specifications.htm</A> <A href="http://www.intel.com/products/processor/core2duo/specifications.htm">http://www.intel.com/products/processor/core2duo/specifications.htm</A>)</P><P></P><P>However, I do not see a 2.10g version so it makes it difficult to be 100% certan</P><P></P><P>I would recommend CPUZ from CPUID as a quick check as what all options your CPU supports.<A href="http://www.cpuid.com/softwares/cpu-z.html">http://www.cpuid.com/softwares/cpu-z.html</A> <A href="http://www.cpuid.com/softwares/cpu-z.html">http://www.cpuid.com/softwares/cpu-z.html</A></P><P>If it reports EM64T instructions, your good.</P><P></P><P></P> Wed, 22 Dec 2010 08:43:10 GMT https://community.intel.com/t5/Mobile-and-Desktop-Processors/Is-a-Core-2-Duo-64-Bit-Ready/m-p/257379#M3826 DSilv11 2010-12-22T08:43:10Z