NodeJS : typescript: tsc is not recognized as an internal or external command, operable program or b

NodeJS : typescript: tsc is not recognized as an internal or external command, operable program or batch file
To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

As I promised, I have a secret feature to share with you.
This is a YouTube's feature which works on Desktop.
First, Ensure that the video is playing before proceeding.
Next, enter the letters 'awesome' on your keyboard.
Your YouTube progress bar will transform into a flashing rainbow.

A short overview of who I am,
Nice to meet you, I am Delphi.
I am here to assist you in getting the answers you need.
NodeJS : typescript: tsc is not recognized as an internal or external command, operable program or batch file
I am happy to answer more specific questions, so please feel free to comment or chat with me.
Your input is valuable, so please comment below if you have an answer or any insights to the answer.
A 'heart' from me will be given as a sign of appreciation for your answer.
NodeJS : or an as operable external or internal program not file typescript: command, recognized batch tsc is