!Install Node.js
Download at [https://nodejs.org/en/] and install all


!Upgrade npm on Windows

1. run __PowerShell as administrator__
{{{
Set-ExecutionPolicy Unrestricted -Scope CurrentUser -Force
npm-windows-upgrade --npm-version latest
}}}
See npm-windows-upgrade -h 


!Upgrade Angular CLI (ng)

{{{
npm uninstall -g angular-cli
npm install -g @angular/cli@latest
}}}




!Project Update
{{{
npm uninstall @angular-devkit/build-angular
npm install @angular-devkit/build-angular
ng update --all --force
npm install @angular/cli@latest
}}}

Get exact version
{{{
npm install typescript@">=3.4.0 <3.6.0" 
npm install typescript@3.5.3 --save-dev --save-exact
}}}

To update CLI to a version > 6 you need to transform .angular-cli.json into angular.json.
Otherwise you get [error|https://stackoverflow.com/questions/49810580/error-local-workspace-file-angular-json-could-not-be-found
] "Local workspace file ('angular.json') could not be found".
{{{
ng update @angular/cli --migrate-only --from=1.7.2 
}}}