How should I prepare my 32-bit Delphi programs for an eventual 64-bit compiler? <blockquote> <p><strong>Possible Duplicate:</strong><br> <a href="http://stackoverflow.com/questions/1568685/how-to-also-prepare-for-64-bits-when-migrating-to-delphi-2010-and-unicode">How to also prepare for 64-bits when migrating to Delphi 2010 and Unicode</a> </p> </blockquote> <p>Since I believe that <strong>64bit</strong> Delphi compiler will appear soon, I am curious if anybody knows what kind of programs that are now <strong>32bit</strong> will compile and work without any changes when using <strong>64bit</strong> compiler.</p> <p>And if there is a general rule what kind of changes should we systematically make in our old programs to be compiled as <strong>64bit</strong>?</p> <p>It is good to be prepared when the <strong>64bit</strong> compiler will suddenly be here...</p> <p>Any suggestion will be much appreciated. </p>