$orderId = '10000015';

$order = Mage::getModel('sales/order')->load($orderId);

// For getting Customer Order Info

$order->getCustomerId(); // get customer Id

$order->getCustomerEmail(); // get customer email

print_r($order->getData()); //show all order data

// For getting Product Order Info

$items = $order->getAllItems();

foreach ($items as $itemId => $item){

$item->getName(); // get order product name

print_r$item->getData()); //show all order product data

}

// For getting Shipping Order Info

$shippingId = $order->getShippingAddress()->getId();

$shipAddress = Mage::getModel('sales/order_address')->load($shippingId);

print_r($shipAddress->getData());

If you want Billing/Shipping Country name see here

// For getting Billing Order Info

$billingId = $order->getBillingAddress()->getId();

$billAddress = Mage::getModel('sales/order_address')->load($billingId);

print_r($billAddress->getData());

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