Running PHP 5.6 poses severe security risks because it no longer receives security patches.

PHP 5.6 is a stable and widely-used version of PHP that offers many features and improvements over earlier versions. If you're working on a legacy project or prefer to use an older version of PHP, this WAMP server is perfect for you.

: While it works on Windows 10 and 11, it is not compatible with older operating systems like Windows XP or Windows Server 2003. Download Options for PHP 5.6

Before running the WampServer installer, download and install the following Visual Studio redistributables from the official Microsoft website: (Visual Studio 2008) — Crucial for PHP 5.6 VC10 (Visual Studio 2010) VC11 (Visual Studio 2012) VC13 (Visual Studio 2013) VC14 (Visual Studio 2015)

Look for the folder or the "WampServer 2.5" release, which natively included PHP 5.6 (specifically PHP 5.6.25 or 5.6.15 depending on the build).

Once the installation finishes, right-click the WAMP icon in the system tray and select Restart All Services . Activating PHP 5.6 in WAMP Server