Installation Required

I have purchased a new theme “Silver Mag”. I have got issues while importing Demodata:

Import WordPress
Failed to import Media “5888333387_2d6c5189fd_o”
Failed to import Media “6097158569_71248e312d_o”
Failed to import Media “image-alignment-580×300”
Failed to import Media “image-alignment-150×150”
Failed to import Media “image-alignment-300×200”
Failed to import Media “4467786048_2bb37b5295_b”
Failed to import Media “5931018512_66769a42c3_o”
Failed to import Media “5946842685_ef334b0372_o”
Failed to import Media “6452990885_db0a11b624_o”
Failed to import Media “6131699981_b2aa726258_o”
Failed to import Media “7121031327_0dee7eea27_o”
Failed to import Media “wallpaper-2853306”
Failed to import Media “3516333473_8f71d37f60_o”
Failed to import Media “wallpaper-2970153”
Failed to import Media “4191705589_e8ffb9dcfe_o”
Failed to import Media “despicable”
Failed to import Media “4179507349_34dd665d77_o”
Failed to import Media “4556911528_4488efdd09_o”
Failed to import Media “4186281072_8e2cae2e6a_o”
Failed to import Media “wallpaper-2952319”
Failed to import Media “wallpaper-2969701”
Failed to import Media “5437685854_f87311791a_o”
Failed to import Media “4141811984_2573cfc280_o”
Failed to import Media “4191639560_ff83b92d14_o”
Failed to import Media “22”
Failed to import Media “23”
Failed to import Media “24”
Failed to import Media “25ipad”
Failed to import Media “26gg”
Failed to import Media “5910274496_4ebb42d015_o”
Failed to import Media “5927756040_75db19b0d1_o”
Failed to import Media “2”
Failed to import Media “728×90-themepacific”
Failed to import Media “Madura-Sections-2”
Page “Sample Page” already exists.
Page “Full Width Page” already exists.
Page “Left Sidebar Page” already exists.
Page “Gallery Page Template” already exists.
Page “Our Authors List” already exists.
Page “Sitemap Page” already exists.
Page “Home Page II” already exists.
Page “Home Page III” already exists.
Post “Featured Image Post” already exists.
Post “Typography” already exists.
Post “Gallery Post Format” already exists.
Post “YouTube Video Post Format” already exists.
Post “Sound Cloud Audio Format Post” already exists.
Post “Vimeo Video Post Format” already exists.
Post “A Big Featured Image Post Format” already exists.
Post “A Gif Image as Featured Image” already exists.
Post “Left Sidebar Single Post” already exists.
Post “FullScreen Background Image Post” already exists.
Post “Featured Image Slider Post” already exists.
Post “Full width Single Post” already exists.
Post “Post With Short Excerpt” already exists.
Post “Girl Searching the Place in The Map” already exists.
Page “Home Page IV” already exists.
Page “Home Page V” already exists.
Page “Home Page VI” already exists.
Page “Home Page VII” already exists.
Page “Advertisements Demo ” already exists.
Page “testt Page” already exists.
Post “Hello world!” already exists.
Post “WordPress Gallery” already exists.
Post “A New Abstract Model Look ” already exists.
Post “Sitting On the Grass in Sports Wear” already exists.
Post “Aenean Commodo Ligula Eget Dolor” already exists.
Post “Play Violin Shot With Model” already exists.

KINDLY INSTALL MY THEME. Let me know what I need to do???