Unable to install cypress via npm - whereas we dont have any proxy - node.js

Question

I am trying to install npm install cypress. but getting below error as am working from Home so no proxy or firewall stopped but still failed
even tried with multiple set proxy but still dint work.
my doubt is what we need to give proxy
D:\CypressAutomation>npm install cypress
npm WARN registry Using stale data from https://registry.npmjs.org/ because the host is inaccessible -- are you offline?
npm WARN registry Using stale data from https://registry.npmjs.org/ due to a request error during revalidation.
npm WARN deprecated har-validator#5.1.5: this library is no longer supported
cypress#7.1.0 postinstall D:\CypressAutomation\node_modules\cypress
node index.js --exec install
Installing Cypress (version: 7.1.0)
× Downloading Cypress
→ Cypress Version: 7.1.0
Unzipping Cypress
Finishing Installation
The Cypress App could not be downloaded.
Does your workplace require a proxy to be used to access the Internet? If so, you must configure the HTTP_PROXY environment variable before downloading Cypress. Read more: https://on.cypress.io/proxy-configuration
Otherwise, please check network connectivity and try again:
URL: https://download.cypress.io/desktop/7.1.0?platform=win32&arch=x64
Error: tunneling socket could not be established, cause=getaddrinfo ENOTFOUND proxy
Platform: win32 (10.0.19041)
Cypress Version: 7.1.0
npm WARN cypressautomation#1.0.0 No repository field.
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! cypress#7.1.0 postinstall: node index.js --exec install
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the cypress#7.1.0 postinstall script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\ssuparna\AppData\Roaming\npm-cache_logs\2021-04-23T19_38_29_200Z-debug.log