While newer versions offer better security and performance, WampServer 2.0 is often preferred for specific scenarios: Manual install of php 5.3.14 and 5.4.4 under Wamp 2.0?
: Ideal for maintaining or testing legacy applications that are not yet compatible with PHP 7 or 8. wampserver 2.0 free download
As a complete software stack, WampServer 2.0 integrates the core components needed for PHP-based web development into a single installer: While newer versions offer better security and performance,