Installation GD2/XSLT

[marlon@]

hi,

I have:

plesk 7.5
PHP Version 4.3.2

NO GD2 install
NO XSLT install

i nead this to install the site builder software , does any one now the best way too enable the GD2 and XSLT , i have tried YUM but when i do the php upgrade command it tries to upgrade to 4.3.11-7.

can some one please help.

thanks