Keeping the VMware tools up2date in a virtual environment can be quite time consuming. Especially in large enterprise environments. It is also a VMware best practice to keep the VMware tools, running inside the Virtual Machine, on the same version level as the servicing ESXi host (excluding 3rd-party/Independent).
Various methods to update the VMware tools can be found below, click on the method hyperlink to open a manual with the configuration/installation steps: