Sync RGB STRIP TO WITH MY PC(send keyboard input to com port)

Projects Programming
1

I'm gonna sync a RGB STRIP with my PC (actually with my games ) and the idea is to send my keyboard input to serial port and received it through Arduino and change the color for example:
If I pressed "G" : fade the color to red for frag grenade
If I pressed "4": fade to green for using sheild

I know how to do the Arduino part but other part the program to send "keyboard input" to serial port, this is the problem :d

So I have two questions :
1: there is any one here that already searched for such program on the internet I did a lots of search but I didn't find anything if any one know a name plz tell me.

2:if there is no such program available already, I have to learn write one with c# right

2

putty is a common terminal emulator

you can write some code in any language you choose that you have a compiler for (see cygwin) that opens and configures a serial port and sends data