You can easily create new email templates from the scratch following these steps:
- Go to Templates section.
- Click on Create Template.
- Select New option.
- Set template name and sharing settings.
- Click on Create Template CTA.
- Enter the template content in the Edit Template section.
You can change the template related settings in the Settings section.
- Click on Save.
Alternatively, you can click on the Actions tab and select Create Template to create a template from any page.