Instructions
Launch your preferred Web browser and navigate to the LEGO customer service page.
Type "8018" into the "Quick Search" text box, then click the "Submit" button.
Select the "Armored Assault Tank" entry that appears in the larger text box towards the bottom of the screen. Doing so will cause a "download" button to appear under the large text box.
Click the download button. The PDF file will open in a new browser window and the instructions will be displayed for you to read and follow.