Install php4.x on apache1.3.x (win32) as module 1. setup php files 1.1 extract php archive in directory C:\php\ 1.3 copy php4ts.dll to C:\WINDOWS\SYSTEM32\ 1.2 copy php.ini-dist to C:\WINDOWS\php.ini 2. edit php.ini 2.1. check register_globals on | off 2.2. check max_execution_time , post_max_size, upload_max_filesize 2.3. enable required extensions extension_dir = "c:\php\extensions" (php_gd2.dll, php_ming.dll, php_sockets.dll) 2.4. enable sessions session.save_path = c:\WINDOWS\temp 3. edit apache's httpd.conf 3.1 add in LoadModule list: #PHP4 LoadModule php4_module c:/php/sapi/php4apache.dll 3.2. add in AddModule list: #PHP4 AddModule mod_php4.c 3.3. add in section: #PHP4 AddType application/x-httpd-php .php .php3 .phtml .phtm .pht AddType application/x-httpd-php-source .phps 4. restart apache