(last release was around 2016). Using such an old WAMP stack (Apache, MySQL, PHP) poses serious security risks for modern systems, especially with PHP 5.6 and MySQL 5.6 — both have unpatched vulnerabilities.
Although the 8.6.0 installer often uses the "win32" naming convention (e.g., appserv-win32-8.6.0.exe appserv 8.6.0 download 64 bit