sschmidlap wrote: » I bought this PC in 2006. Pentium 4 processor with Vista Home Basic. I did some research tonight, but can't find anything definitive. In the Performance Information and Tools app the report states: 64-bit capable Yes. Does this mean I have a 64 bit system board and processor? Can I replace the 32 bit Vista Home Basic with a 64 bit OS without buying new hardware? Thanks in advance, Steve