What is this error?

[winzip]

What is this error ? Can anyone please help to fix this error ?

Is it any package that needs to be installed ?

C:\Users\admin\Downloads\weather-9\weather_9>npm install

 Angular2-Boilerplate@1.0.0 postinstall C:\Users\admin\Downloads\weather-9
\weather_9
`> typings install`

**'typings' is not recognized as an internal or external command,**
operable program or batch file.
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! Angular2-Boilerplate@1.0.0 postinstall: `typings install`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the Angular2-Boilerplate@1.0.0 postinstall script.
npm ERR! This is probably not a problem with npm. There is likely additional log
ging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\admin\AppData\Roaming\npm-cache\_logs\2018-05-20T14_3
0_48_309Z-debug.log

[mawburn]

Development on Windows is broken af. You’d probably be better off in the long run trying to setup a Linux VM to work from.

But in the meantime, there are several solutions here. Try the things they suggest in this thread: https://github.com/typings/typings/issues/161

[winzip]

Okay.