invalid tsc version on windows 7 (error TS5023: Unknown compiler option 'p')

[illlust]

tsc -v
Version 1.0.3.0

remove C:\Program Files (x86)\Microsoft SDKs\TypeScript\1.0\ from %PATH%
https://stackoverflow.com/questions/15301451/how-to-upgrade-typescript-to-the-latest-version

tsc -v
Version 2.6.1