C:\Users\DELL>npm install -g vue-cli
npm WARN deprecated email@example.com: this library is no longer supported
npm WARN deprecated firstname.lastname@example.org: Please upgrade to version 7 or higher. Older versions may use Math.random() in certain circumstances, which is known to be problematic. See https://v8.dev/blog/math-random for details.
npm WARN deprecated email@example.com: request has been deprecated, see https://github.com/request/request/issues/3142
npm WARN deprecated firstname.lastname@example.org: CoffeeScript on NPM has moved to "coffeescript" (no hyphen)
npm ERR! code EEXIST
npm ERR! path C:\Users\DELL\AppData\Roaming\npm\vue.cmd
npm ERR! EEXIST: file already exists
npm ERR! File exists: C:\Users\DELL\AppData\Roaming\npm\vue.cmd
npm ERR! Remove the existing file and try again, or run npm
npm ERR! with --force to overwrite files recklessly.
npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\DELL\AppData\Local\npm-cache_logs\2022-09-01T02_08_18_195Z-debug-0.log