Do not simply install over an old version. Follow this migration plan:
WampServer 3.2.9 is not compatible with Windows XP or Vista. wampserver 3.2.9
While 3.2.9 is stable, the newer 3.3.x branch has improved: Do not simply install over an old version
remains a robust, reliable, and user-friendly local server environment for Windows developers. It strikes an excellent balance between legacy compatibility and modern tooling. Whether you are building your first WordPress site, maintaining a classic PHP application, or learning database design, this version gives you the control and stability you need. maintaining a classic PHP application
WampServer is not a single piece of software but a management tool that integrates separate technologies: