Go to directv.com on your mobile web browser and tap "Browse Movies" or "Browse Live Events." You'll be prompted to sign in to your online account, if you haven't already done so. Once you're signed in, browse the available movies or live events. Select the title you want to order. Tap "Record" to set your DVR to record your movie or event. When you get home, you'll find the title on your DVR playlist. When you see it on your playlist, select the title again and tap "Order" and confirm your purchase. After that, just select the title from your DVR playlist with your remote and enjoy the show.