Installing VMware Tools is part of the process of creating a new virtual machine. Upgrading VMware Tools is part of the process of keeping virtual machines up to current standards.
For the best performance and latest updates, install or upgrade VMware Tools to match the version of Workstation Player that you are using. Other compatibility options are also available.
For more information about using VMware Tools, see Installing and Configuring VMware Tools at http://www.vmware.com/pdf/vmware-tools-installation-configuration.pdf.