Windows how to switch php version between 5.2 and 5.3

• Download Wamp for PHP 5.3 from http://www.wampserver.com/en/ or direct link
• Download PHP 5.2.9 addon at http://downloads.sourceforge.net/wampserver/WampServer2-PHP529-2.exe?download

now you can switch php version

** WARNING : You must install Visual C++ 2010 SP1 Redistributable Package x86 or x64

VC10 SP1 vcredist_x86.exe 32 bits : http://www.microsoft.com/download/en/details.aspx?id=8328

VC10 SP1 vcredist_x64.exe 64 bits : http://www.microsoft.com/download/en/details.aspx?id=13523