To buy hosting from Hostrelia.com, you can follow these steps:

1. Go to the Hostrelia.com website and click on the “Hosting” tab on the top menu.
2. Choose the hosting plan that best suits your needs and click on the “Order Now” button.
3. On the next page, select the billing cycle (monthly, annually, etc.) and any additional features or add-ons that you require.
4. Click on the “Continue” button and review your order summary.
5. If you have a promo code, enter it in the “Promo Code” field and click on the “Validate Code” button to apply the discount.
6. Click on the “Continue” button and enter your personal and payment details.
7. Review your order details once again and check the box to agree to the terms and conditions.
8. Click on the “Complete Order” button to finalize your purchase.
9. After completing your order, you will receive an email with your hosting account login details and instructions on how to access your hosting control panel.

If you have any questions or concerns during the ordering process, you can contact Hostrelia.com customer support for assistance.