If you're looking to Download iTunes Store on your Chromebook laptop Then read the following guideline.

All the entertainment you can handle. Music, movies, TV, and more. From new releases to hot indies and all-time favorites, the best in every genre—ready to play. Purchase with a tap on any device.  Features • Explore more than 43 million high-quality, DRM-free songs. Browse by artist, album, song, genre, specially curated categories, and more. • Select from over 85,000 movies, and over 300,000 TV shows. Browse by title, genre, network, rating, special collections, movie bundles, and more. • Enjoy bonus content you can’t find anywhere else. • Search and select the perfect ringtone among thousands in Tones. • Check out the iTunes charts to see which movies, shows, and artists people love. • View Movies and TV in stunning HD with your compatible device.  • Pre-order new releases and they’ll download automatically when available.  • Tap to download, and watch anywhere, anytime—even without Wi-Fi. Plus re-download past purchases on all your devices. • Availability and features may vary by country.