Select Developer Command Prompt for VS2013.In the opened Console write: tsc -v.You get the version: See Image.

How do I find my TypeScript version?

Go to: C:\Program Files (x86)\Microsoft SDKs\TypeScript, there you see directories of type 0.9, 1.0 1.1. Enter the high number that you have (in this case 1.1) Copy the directory and run in CMD the command tsc -v, you get the version.

How do I change a TypeScript version?

You can upgrade it to latest using our “npm install -g typescript” command which will install the latest Typescript version.