1. Edit the donation form.
  2. In the Recurring Gifts field, mark the Allow Recurring gifts checkbox to allow donors to contribute regular, recurring gifts to your organization.
  3. If you want the donor to select the frequency of the recurring gift.
    1. Select General. A Frequency field appears on the website.
    2. In the Frequency field, donors can select to make a contribution every week, month, quarter, or year.
    3. Once your website user selects a frequency, the start and end date fields appear on the Web page.
  4. If you want to define the recurring gift frequency:
    1. Select Specific. A Custom Frequency window appears.
    2. Select the frequency.
    3. In the On field, specify the day of the week on which the recurring gifts will be donated.
    4. Click Add Frequency to add the frequency to the donation page.
    5. Mark the Add Frequency checkbox to allow donors to enter ending dates.
    6. Click Save and Close.

Additional Resources
How do recurring gifts from Blackbaud NetCommunity process?
What recurring gift frequencies are available?