ng new clientapp

Npm install bootstrap@next --save

PS D:\Demo\Angular> cd clientapp

PS D:\Demo\Angular\clientapp> Npm install bootstrap@next --save

PS D:\Demo\Angular> Npm install bootstrap@next --save

npm WARN saveError ENOENT: no such file or directory, open 'D:\Demo\Angular\package.json'

npm notice created a lockfile as package-lock.json. You should commit this file.

npm WARN enoent ENOENT: no such file or directory, open 'D:\Demo\Angular\package.json'

npm WARN bootstrap@5.0.0-beta3 requires a peer of @popperjs/core@^2.9.1 but none is installed. You must install peer dependencies yourself.

npm WARN Angular No description

npm WARN Angular No repository field.

npm WARN Angular No README data

npm WARN Angular No license field.