title: upgrading from PHP 5.2.17 to 5.2.6 on Windows Server 2008 IIS 7
body: <p>I've been searching on this matter but didn't seem to find the right guide or answer.
  I run Windows Server 2008 IIS 7. (I'm not expert in this yet)</p>
  
  <p>First of all, exact file...there are many files so I am not sure if 
  php-5.2.6-nts-Win32 is right one for me.</p>
  
  <p><a href="http://kr2.php.net/releases/" rel="nofollow">http://kr2.php.net/releases/</a>
  Download: PHP 5.2.6 (tar.bz2) PHP 5.2.6 (tar.gz) PHP 5.2.6 zip package PHP 5.2.6 installer PECL 5.2.6 Win32 binaries PHP 5.2.6 Win32 Debug Pack PHP 5.2.6 Non-thread-safe zip package PHP 5.2.6 Non-thread-safe installer PHP 5.2.6 Win32 Debug Pack PECL 5.2.6 Non-thread-safe Win32 binaries</p>
  
  <p>If I know exact file to download.
  After that, how should I proceed the upgrade?</p>
  
  <p>I tried overwritting on existing folder that is running PHP 5.2.17...somehow Joomla site seemed work fine except some other sites that used PEAR or other ext...
  I guess it's not the right way...</p>
  
  <p>I would be really grateful if you could help me with successfully upgrading PHP for Joomla program that I want to use...</p>
  
  <p>Thank you!!</p>
  
  <p>PS. What is "x86 Non Thread Safe" "win32 binary" ?</p>