wiki/src/download.html

   1 [[!meta title="Download, verify and install"]]
   2
   3 <strong>Tails is [[Free Software|doc/about/license]], you can download it, use it and
   4 share it without restriction.</strong>
   5
   6 <div id="page-download">
   7
   8 [[!toc levels=1]]
   9
  10 <div id="first_time">
  11
  12         <h1 class="bullet-number-one">First time user?</h1>
  13
  14         <div class="caution">
  15
  16         <ul>
  17         <li>If you don't know what a metadata or a man-in-the-middle attack
  18         is.</li>
  19         <li>If you think no-one can eavesdrop on your communications
  20         because you are using Tor.</li>
  21         <li>If you have no notion of how Tails works.</li>
  22         </ul>
  23
  24         <p><strong>Then, check first the [[about]] and
  25         [[warning|doc/about/warning]] pages to make sure that Tails is the right tool
  26         for you and that you understand well its limitations.</strong></p>
  27
  28         </div>
  29
  30 </div>
  31
  32 <div id="download_iso" class="container">
  33
  34         <h1 class="bullet-number-two">Download the ISO image</h1>
  35
  36         <div class="tip">
  37
  38         <p>You will download Tails in the form of an <span
  39         class="definition">[[!wikipedia ISO_image desc="ISO image"]]</span>: a
  40         single file that you will later burn on a DVD or install onto a USB
  41         stick or SD card.</p>
  42
  43         </div>
  44
  45 <div id="http">
  46
  47         <h2>Direct download</h2>
  48
  49         <h3>Latest release</h3>
  50
  51         <p>
  52         <a class='download-file' href=[[!inline pages="inc/stable_i386_iso_url" raw="yes"]]>
  53         Tails [[!inline pages="inc/stable_i386_version" raw="yes"]] ISO image</a>
  54         </p>
  55
  56         <h3>Cryptographic signature</h3>
  57
  58         [[!inline pages="lib/download_stable_i386_iso_sig" raw="yes"]]
  59
  60         <p>If you're not sure what the cryptographic signature is,
  61         please read the part on [[verifying the ISO
  62         image|download#verify]].</p>
  63
  64         <h3>SHA256 checksum</h3>
  65
  66         <p class="code checksum">[[!inline pages="inc/stable_i386_hash" raw="yes"]]</p>
  67
  68         <!--
  69         <h3>Set up a web mirror</h3>
  70
  71         <p>If you're running a web server, you're most welcome to help us spread
  72         Tails by [[setting up a web mirror|contribute/how/mirror]].</p>
  73         -->
  74
  75 </div> <!-- #http -->
  76
  77 <div id="bittorrent">
  78
  79         <h2>BitTorrent download</h2>
  80
  81         <h3>Latest release</h3>
  82
  83         <p>
  84         <a class='download-file' href=[[!inline pages="inc/stable_i386_torrent_url" raw="yes"]]>
  85         Tails [[!inline pages="inc/stable_i386_version" raw="yes"]] torrent</a>
  86         </p>
  87
  88         <h3>Cryptographic signature</h3>
  89
  90         <p>The cryptographic signature of the ISO image is also included in the Torrent.</p>
  91
  92         <p>Additionally, you can verify the <a href=[[!inline
  93         pages="inc/stable_i386_torrent_sig_url" raw="yes"]]>signature of
  94         the Torrent file</a> itself before downloading it.</p>
  95
  96         <h3>Seed back!</h3>
  97
  98         <p>Seeding back the image once you have downloaded it is also a nice
  99         and easy way of helping spread Tails.</p>
 100
 101 </div> <!-- #bittorrent -->
 102
 103 <p>List of current [[known issues|support/known_issues]] in Tails.</p>
 104
 105 </div> <!-- #download_the_image .container -->
 106
 107 <div id="verify">
 108
 109         <h1 class="bullet-number-three">Verify the ISO image</h1>
 110
 111         <p>It is important to check the <span class="definition">[[!wikipedia
 112         Data_integrity desc="integrity"]]</span> of the ISO image you downloaded
 113         to make sure that the download went well.</p>
 114
 115         <div class="caution">
 116
 117         <p>Those techniques rely on standard HTTPS and <span
 118         class="definition">[[!wikipedia Certificate_authority desc="certificate
 119         authorities"]]</span> to make you trust the content of this website.
 120         But, [[as explained on our warning
 121         page|doc/about/warning#man-in-the-middle]], you
 122         could still be victim of a man-in-the-middle attack while using HTTPS.
 123         On this website as much as on any other of the Internet.</p>
 124
 125         <p>As a consequence, <strong>they don't provide you with a
 126         strong way of checking the ISO image <span
 127         class="definition">[[!wikipedia Authentication
 128         desc="authenticity"]]</span> and making sure you downloaded a genuine
 129         Tails.</strong> In a dedicated section, we will propose you some more advanced
 130         techniques to <a href="#authenticity-check">check the authenticity of
 131         the ISO image</a>.</p>
 132
 133         </div>
 134
 135         <p><strong>All Tails ISO image are cryptographically signed by our
 136         OpenPGP key.</strong>
 137         OpenPGP is a standard for data encryption that provides cryptographic
 138         privacy and authentication through the use of keys owned by its users.
 139         Checking this signature is the recommended way of checking the ISO image
 140         integrity.</p>
 141
 142         <p>If you already know how to use an OpenPGP key you can download it
 143         straight away:</p>
 144
 145         [[!inline pages="lib/download_tails_signing_key" raw="yes"]]
 146
 147         <p>Otherwise, read our instructions to check the ISO image integrity:</p>
 148         <ul>
 149           <li>
 150           [[!toggle id="verify_the_iso_image_using_gnome"
 151           text="Using Linux with Gnome: Ubuntu, Debian, Tails, etc."]]
 152           </li>
 153           <li>
 154           [[!toggle id="verify_the_iso_image_using_the_command_line"
 155           text="Using Linux with the command line"]]
 156           </li>
 157           <li>
 158           [[!toggle id="verify_the_iso_image_using_other_operating_systems"
 159           text="Using other operating systems"]]
 160           </li>
 161         </ul>
 162
 163         [[!toggleable id="verify_the_iso_image_using_gnome" text="""
 164         <span class="hide">[[!toggle id="verify_the_iso_image_using_gnome" text=""]]</span>
 165
 166         <h2>Using Linux with Gnome: Ubuntu, Debian, Tails, Fedora, etc.</h2>
 167
 168         [[!inline pages="doc/get/verify_the_iso_image_using_gnome" raw="yes"]]
 169
 170         """]]
 171
 172         [[!toggleable id="verify_the_iso_image_using_the_command_line" text="""
 173         <span class="hide">[[!toggle id="verify_the_iso_image_using_the_command_line" text=""]]</span>
 174
 175         <h2>Using Linux with the command line</h2>
 176
 177         [[!inline pages="doc/get/verify_the_iso_image_using_the_command_line" raw="yes"]]
 178
 179         """]]
 180
 181         [[!toggleable id="verify_the_iso_image_using_other_operating_systems" text="""
 182         <span class="hide">[[!toggle id="verify_the_iso_image_using_other_operating_systems" text=""]]</span>
 183
 184         <h2>Using other operating systems</h2>
 185
 186         [[!inline pages="doc/get/verify_the_iso_image_using_other_operating_systems" raw="yes"]]
 187
 188         """]]
 189
 190         <h2><a id="authenticity-check"></a>So how can I better check the ISO
 191         image authenticity?</h2>
 192
 193         <p>The Tails signing key that you downloaded from this website could
 194         be a fake one if you were victim of a [[man-in-the-middle
 195         attack|doc/about/warning#man-in-the-middle]].</p>
 196
 197         <p>Finding a way of trusting better Tails signing key would allow you to
 198         authenticate better the ISO image you downloaded. The following page
 199         will give you hints on how to increase the trust you can put in the
 200         Tails signing key you downloaded:</p>
 201
 202         <ul>
 203           <li>[[Trusting Tails signing key|doc/get/trusting_tails_signing_key]]</li>
 204         </ul>
 205
 206         <!-- <h2>FIXME: What to do if the image is bad?</h2> -->
 207
 208 </div> <!-- #verify -->
 209
 210 <div id="stay_tuned">
 211
 212         <h1 class="bullet-number-four">Stay tuned</h1>
 213
 214         <div class="caution">
 215
 216         <p>It's very important to keep your version of Tails up-to-date, otherwise
 217         your system will be vulnerable to numerous security holes.</p>
 218
 219         </div>
 220
 221         <p>To be notified of new versions and important project news, follow our
 222         [[news feed|news]] or subscribe to our
 223         <a href="https://mailman.boum.org/listinfo/amnesia-news">news mailing
 224         list</a>:</p>
 225
 226         <form method="POST" action="https://mailman.boum.org/subscribe/amnesia-news">
 227                 <input class="text" name="email" value=""/>
 228                 <input class="button" type="submit" value="Subscribe"/>
 229         </form>
 230
 231 </div> <!-- #stay_tuned-->
 232
 233 <div id="installation">
 234
 235         <h1 class="bullet-number-five">Installation</h1>
 236
 237         <div class="next">
 238
 239         <p>Read the [[First steps|doc/first_steps]] section of our documentation
 240         to learn how to burn the ISO image on a DVD or install it onto a USB stick
 241         or SD card.</p>
 242
 243         </div>
 244
 245 </div>
 246
 247 </div> <!-- #download -->