I install npm and bower in my WAMP, they work in console normally.
C:\OpenServer\domains\kwf-cms-demo\kwf-lib>composer install
Loading composer repositories with package information
Installing dependencies (including require-dev) from lock file
Warning: The lock file is not up to date with the latest changes in composer.json. You may be getting outdated dependencies. Run update to update them.
- Installing koala-framework/composer-extra-assets (dev-master e524890)
Cloning e5248909c366167a379dd374d8893008af796c0f
"which" не является внутренней или внешней
командой, исполняемой программой или пакетным файлом.
[Exception]
Can't find npm, not in path
install [--prefer-source] [--prefer-dist] [--dry-run] [--dev] [--no-dev] [--no-plugins] [--no-custom-installers] [--no-scripts] [--no-progress] [-v|vv|vvv|--verbose] [-o|--optimize-autoloader] [--ignore-platform-reqs] [packages1] ... [packagesN]
C:\OpenServer\domains\kwf-cms-demo\kwf-lib>