Be sure to clean your keyboard, or start with a new keyboard, before applying the Stickers, to assure long lasting use. Various Languages Keyboards (Mac/ PC) and Stickers are Specially Ordered, if not available.Transparent Keyboard Stickers Labels (Windows XP) stickers are a very economical option for creating a bilingual (Windows XP) keyboard. The language stickers use an easy peel-and-stick method to install. They will not ooze adhesive, dry out, or damage the original keyboard key. The letters are printed on the underside of the stickers so that the lettering will not wear out. This affords you with many years of durable use.