Hi All- I have an MA463LL/A mac book pro. what is the latest update i can download?

The latest update you can download is 10.4.11, or 10.6.8 with the purchase of a Mac OS X 10.6 DVD, which are available from the online Apple Store.

(80836)

Hello, you can download the 10.5.8 combo update, later can be bout but not downloaded.

Repair Permissions afterwords, reboot.

1058 Combo Update, 10.5.8...

http://support.apple.com/downloads/Mac_OS_X_10_5_8_Combo_Update

Snow Leopard/10.6.x Requirements...

General requirements

* Mac computer with an Intel processor

* 1GB of memory (I say 4GB at least, more if you can afford it)

* 5GB of available disk space (I say 30GB at least)

* DVD drive for installation

* Some features require a compatible Internet service provider; fees may apply.

* Some features require Apple’s MobileMe service; fees and terms apply.

Which apps work with Mac OS X 10.6?...

http://snowleopard.wikidot.com/

Buy Snow Leopard > http://store.apple.com/us/product/MC573/mac-os-x-106-snow-leopard

Call Apple Sales...in the US: 1-800-MY-APPLE. Or Support... 1-800-275-2273

Other countries...

http://support.apple.com/kb/HE57

OOPs, I stand corrected, 10.4.11 is the latest you can dowlosd... sorry. 😟