<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; ">I was about to download some trial software that asked me which I wanted: The OS10.4 - 32 bit or the OS10.4 - 64 bit version.<DIV><BR class="khtml-block-placeholder"></DIV><DIV>This is new to me. </DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>I gather from a brief Google search that 64 bit operation is an emulation but I have no idea of which version to select or more importantly why I should select that one. I also gather that 64 bit operation is a desirable goal but Tiger isn't there yet. So ... which should I choose, and why?</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>Thanks,</DIV><DIV>John</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>My system version is <FONT class="Apple-style-span" size="4"><SPAN class="Apple-style-span" style="font-size: 14px;">Mac OS X 10.4.5 (8H14). My machine is a 20" iMac G5 2.0 GHz w/ 1 Gig memory</SPAN></FONT></DIV><DIV><FONT class="Apple-style-span" size="4"><SPAN class="Apple-style-span" style="font-size: 14px;"><BR class="khtml-block-placeholder"></SPAN></FONT></DIV><DIV><FONT class="Apple-style-span" size="4"><SPAN class="Apple-style-span" style="font-size: 14px;"><BR class="khtml-block-placeholder"></SPAN></FONT></DIV></BODY></HTML>