Thanks Olaf.  The method below is what I think, do you think it&#39;s reasonalbe?<br>1.Install both Windows and ReactOS on the virtual machine such as VirtualBox.<br>2.Enter windows system, cause it can share file between virtual machine and the PC outside the virtual machine.<br>
3.In windows, overwrite the file which I modified and reboot the virtual machine.<br><br><br><div class="gmail_quote">On Mon, Oct 25, 2010 at 7:03 PM, Olaf Siejka <span dir="ltr">&lt;<a href="mailto:caemyr@gmail.com">caemyr@gmail.com</a>&gt;</span> wrote:<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">You should be able to overwrite the files the code of which you changed. The exception is with freeldr as well as registry entries.<br>
<br><div class="gmail_quote">2010/10/25 Fan Zhang <span dir="ltr">&lt;<a href="mailto:fanzi2009@gmail.com" target="_blank">fanzi2009@gmail.com</a>&gt;</span><br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"><div><div></div><div class="h5">Hi guys,<br><br>I want to know how do you debug ReactOS. For example, when I change the code, I used to execute &#39;Make bootcd&#39;. After that, I will install the ReactOS system by ReactOS.iso. So I&#39;m confused if I have to install the whoe system after compiling. Do you have some easy way?<br>

 Thanks.<br><font color="#888888"><br>Fan<br>
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