One Off, Fixed and Continuous Pledges are created, configured and updated on the Pledge Information / Regular / Committed Giving form.
Pledges can be created from other modules such as Memberships, Sponsorships, Events also.
On the Membership form if you click on Pledge you will be taken to the Pledge form where you can create invoices or change a one off instalment to several instalments
Once on the Pledge form, to go to the module and form where the Pledge was created, click on External
Pledges are located under the Finance module of the Main Menu