> For the complete documentation index, see [llms.txt](https://helpdesk.ldtsoft.work/ldt-online-course/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://helpdesk.ldtsoft.work/ldt-online-course/older.md).

# Older

- [How to allow your customer preview course content in product detail page](https://helpdesk.ldtsoft.work/ldt-online-course/older/how-to-allow-your-customer-preview-course-content-in-product-detail-page.md)
- [How to sell your course as subscription/membership](https://helpdesk.ldtsoft.work/ldt-online-course/older/how-to-sell-your-course-as-subscription-membership.md)
- [How to add our gift form to checkout page to allow customer give or buy for someone else](https://helpdesk.ldtsoft.work/ldt-online-course/older/how-to-add-our-gift-form-to-checkout-page-to-allow-customer-give-or-buy-for-someone-else.md)
- [How to place a test order to make sure everything work](https://helpdesk.ldtsoft.work/ldt-online-course/older/how-to-place-a-test-order-to-make-sure-everything-work.md)
- [How to translate my Email in other languages](https://helpdesk.ldtsoft.work/ldt-online-course/older/how-to-translate-my-email-in-other-languages.md)