Install VMware Tools in VMware Workstation 16 Player (solve the problem that the VMware Tools button is not selectable)
Software and version used: VMware Workstation 16 Player
Now VMware (that is, virtual machine) can be used by individuals for free. As long as it is not for commercial use, individuals can download the genuine
VMware Workstation 16 Player from the official website.
The Player version has fewer functions than the Pro version, but it is enough.
VMware Tools is a tool that assists you in transferring files between the host and the virtual machine and must be downloaded in VMware Player.
(The following is the explanation in the official documentation )