VGA is a port that can still be found on the back ... VGA would be replaced with DisplayPort or HDMI, or another cable designed for digital signals needed by today’s LCDs, and not analog ...
Once you are sure that your cables are according to ports ... you will need a converter for the HDMI port. In case you have a VGA port on your computer, you will need an appropriate converter.
Analog VGA is being replaced with DVI-D and HDMI on many devices nowadays, so it would be nice to port projects from VGA to DVI-D. To address this, he’s come up with a simple DVI-D ...