Before you begin, make sure the virtual machine is powered on and the guest operating system is running.

1	On the host, select VM > Install VMware Tools.

If an earlier version of VMware Tools is installed, the menu item is Update VMware Tools. If the current version is installed, the menu item is Reinstall VMware Tools.

2	Make sure the guest operating system is running in text mode.

3	On the guest, log in as root.

4	If necessary, mount the VMware Tools virtual CD-ROM image by entering a command similar to the following:

Some FreeBSD distributions automatically mount CD-ROMs. If your distribution uses automounting, skip this step.

5	Change to a working directory (for example, /tmp):

6	Untar the VMware Tools tar file:

7	If necessary, unmount the VMware Tools virtual CD-ROM image:

8	Run the VMware Tools installer:

9	Log out of the root account:

10	(Optional) Start your graphical environment.

11	In an X terminal, to start the VMware User process, enter the following command:

In minimal installations of the FreeBSD 4.5 guest operating system, sometimes VMware Tools does not start.

来源：vmware官方文档