Problem installing large tar's

[ricc]

Installing some games over 2mb reveals the following error, can anyone help?

Fatal error: Allowed memory size of 8388608 bytes exhausted (tried to allocate 4223741 bytes) in /home/sites/play4.net/public_html/forums/arcade/functions/tar.php on line 794

[MrZeropage]

PHP memory size limit - check your php.ini (webserver)