First, log in to your Squarespace website. Select the page you want to add the giving form into and click Edit.
Next, click on the blue circle with the plus sign and add a section.
Then, select the Embed block to your Squarespace page.
Next, edit the "Embed" Block, then click on the "</>" symbol on the right side of the text field. This will open a larger text box, where you will be able to enter the embed script for your form.
Next, copy and paste your embed script link into the large text field.
Then, save your changes at the top of the page.
Note: You may see "Script Disabled" in the blue box, this is normal.
After saving, you should see the giving form load when Viewing or Previewing your page.