Can I change the form URL?

Can I change url https://form.jotform.com/91536865533162

Can I change this (in Jotform) to https://form.jotform.com/abeco Confidential Questionnaire???

Yes, you can change the form URL. Please check out this guide to create custom form URLs: https://www.jotform.com/help/261-How-to-Create-a-Custom-URL-of-a-Form