Need help to set custom domain without redirecting

hello i have :
-arrows-methodology.netlify.app asNetlify subdomain
-arrows.co.il as Primary domain
-www.arrows.co.il as Redirects automatically to primary domain
i don’t want the site arrows.co.il to be redirect i want it to be the main without redirecting.please tell me how to do that

To change this, do to this settings page:

https://app.netlify.com/sites/arrows-methodology/domain-management

On that page, click this button to make the www subdomain the primary domain:

You can also force arrows-methodology.netlify.app URLs to redirect to www.arrows.co.il URLs with a _redirects file using this rule:

https://arrows-methodology.netlify.app/*   https://www.arrows.co.il/:splat 301!

There is more information about redirect rules here:

and here:

Please let us know if there are other questions about this.