If you need to enter to BIOS setting in the VM computer (Guest OS), it will be difficult if using F2 key as show in the screen when computer starting (Press F2 to enter SETUP, ...) because it appear in very short time.
VMware Workstation has solution for Entering to BIOS, you don't need to press F2 key.
For VMware Workstation 12 :
1. Choose VM (shutdown it first if it still run).
2. Right-click on it
3. Click Power
4. Choose Power On to Firmware.
For previous VMware Workstation, the name is not Power On to Firmware but Power On to Bios.