Yes, you can.

When you publish your site for the first time, your site address is in the form of a free Wix URL: accountname.wixsite.com/site-name.

You can change your free Wix URL by editing the account or site name:

By changing the account name, you can change the first part of your free site URL: accountname.wixsite.com/site-name

To change the account name, follow these steps:

By changing the site name, you can change the last part of your free site URL: accountname.wixsite.com/site-name.

To change the site name, follow these steps: