What are two available methods for upgrading VMware Tools on a virtual machine? (Choose two.)

What are two available methods for upgrading VMware Tools on a virtual machine? (Choose two.)
A . attach the VMware Tools ISO to the VM and perform a manual update
B . allow Windows to obtain new tools using Windows Update
C . configure virtual machines to check and upgrade VMware Tools before each power on
D . copy the updated files to C:Documents and SettingsAll UsersApplication DacaVMwareVMware Tools

Answer: A,C