Add workflow and approvers to the new users

Hello All,

i would like to add a workflow such as “Pending for approval” to any new sign up’s and i would like to have users with certain role to be able to approve or reject the new users.

Could you please guide me , how this can be acheived.

Thanks

Please have a look at
https://frappe.github.io/erpnext/user/manual/en/setting-up/workflows.html