Please note： 1. We have one year warranty,but we are not responsible for any artificial damage or system reinstalled problem. 2. The operating system activated(Non-original),please kindly not modify the system without authorization. 3. If your address is located Remote Area by the Express shipping Company,there will be extra remote area fee. 4. Http://activities.aliexpress.com/adcms/help-aliexpress-com/customs_related_issues.php According to Aliexpress policy,It is buyer's duty to pay import tax and VAT,we can't guarantee no customs tax because that is each country customs import policy,please understand. 5. Here we strictly test the item before shipping,If you are not satisfied with our products or service,please feel free to contact us first,we will try our best to solve your problem! Please do not leave a negative feedback without any communication. Thanks for your understanding in advance!