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So in this video I'm going to show you how to download Tor verify it and make sure that it hasn't been
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modified as it got downloaded and then install it on a Windows 10 system.
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If you have OS X or Linux then please skip this lecture and I will cover install and Tor on other operating
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systems and the next lectures.
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So as you can see the normal page is loading for me so I'm going to download it from here.
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I have a 64 bit computer and I'm running Microsoft Windows so I'm just going to click on the 64 bit
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link for Microsoft Windows and I'm going to save this.
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This will automatically save the file right here for me in the downloads.
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And as you can see the download is complete now and I can literally just double click it and install
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it just like any other program.
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But before doing that it's a very good idea to verify that the file we downloaded here did not get modified
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as it was being downloaded.
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Because when you download something from the internet it passes through a number of nodes in which it
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can be modified so it can be modified by your Internet service provider.
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It can be modified by your network administrator and it can even be modified by hackers who managed
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to intercept the connection.
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So in order to verify that this file did not get modified we're going to use a signature provided to
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us by the Tor developers.
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So as you can see on this page each download has a sig this sig stands for signature.
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And this is a file that is unique to this download to the installer.
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It was generated by the developers when they packaged the installer and it can be used to verify that
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the installer did not get modified since it was packaged by the developers.
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So to verify the installer the first step is to download its signature.
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So like I said as you can see each file has its own signature.
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I downloaded this file right here so I'm going to download this signature in here so I'm going to right
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click the signature file and I'm going to click on Steve link us to download it and I'm gonna save it
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in my downloads.
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Same place that we have in here and I'm just going to click on Save and you can see we have this new
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file with a dot a C extension.
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This is the signature for this file.
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So as you can see in here each download has its own signature.
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So the signature is relevant to the file that we just downloaded.
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And it can be used to verify the integrity of the file.
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So what we're going to do is we're going to use another program called GPO G for when we're going to
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use this program to check the signature and make sure that this file right here matches the signature
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right here.
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And if it does then this means that the file has not been modified.
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Cause if this file gets modified then this this signature right here will not match the file.
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So the first step now is to download this program that will verify the signature for us which is G P
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G 4 win right here.
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I'm going to include its download link in the resources.
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Right now I'm going to set this to zero.
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I don't want to donate and I'm just going to click on Download to download the program.
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We're going to save it and we have it right here.
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Now we're going to double click this to install it and it's a normal windows installer.
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So it's actually very very simple we're just going to click on.
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Okay.
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Next Next install and it'll install it for us and that's it we're done.
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So we're going to finish.
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I don't want to reboot.
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I'm going to reboot later and that's it.
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Now the file is installed and we can actually use it with a graphical user interface that I noticed
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is a little bit buggy.
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Therefore we're going to use it using the command prompt so I'm going to go to start I'm going to type
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CND to open my command prompt they'll just put this here.
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So the first thing that we need to do is import the key of detour developers so we can get that from
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their page right here.
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This is their key and we can actually add it using this command.
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So we do GPO G dirty X E.
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This is the name of the program that we just installed.
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We're giving the key server that it's going to get the key from and we're giving it the developer key
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right here.
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After the receive keys argument so I'm gonna copy all of this and I'm going to paste it here.
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All I have to do is just right click it will automatically paste and I'm going to hit enter.
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This could take some time.
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So just be patient and give it its time.
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You might also have to run this command a number of times until it works.
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This is because their servers might be under pressure so you want to be able to get the key.
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But as you can see right here I was able to get the key.
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So right now we can go ahead and verify the file that we downloaded.
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But before I do that I'm going to make sure I have the correct key.
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So I'm going to do a GP do that EKG the same command I'm going to say I want to see the fingerprint
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of the key that I requested.
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So the key that I requested is this key right here.
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So I'm going to copy it again and I'm going to paste it
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and right here we have the fingerprint of the key.
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And what you want to do is compare this fingerprint right here with the fingerprint that you have on
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their website which is this one if you have the same fingerprint.
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This means that you've downloaded the correct key and it means that we can use this key to verify the
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integrity of this installer so the last step now is to actually do that and verify that this installer
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is the correct installer.
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And again we're going to use the same command.
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But first we will need to navigate to where we have the installer.
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So as you can see the installer is in users Zaid downloads.
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So I need to go to the downloads directory.
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So we're going to use the CDE command to change our working directory.
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And I want to go to downloads.
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Keep in mind it's capital in here.
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I'm going to hit enter.
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And as you can see now I'm an user as a download and I can do DIY or to list all the files that we have.
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And you can see we have the G.P.S. installer we have the Tor Browser installer and the signature.
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So all we have to do is use GPO G dot EMC again.
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We're going to say that I want to verify and we're going to give it the name of this signature.
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So this is the name of the signature file.
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You can copy it.
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You are.
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We also have it in here so you can copy it from here or you can just type the starter with followed
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by a tab.
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It'll auto complete for us and make sure you complete to the DOT a C to specify the signature file I'm
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going to hit enter.
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Let's just make this a little bit bigger so we can read it easier.
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And as you can see it's telling us that this is a good signature.
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So basically it's telling us that the signature right here is the correct signature for this file.
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So this means that this file has not been modified since we downloaded it from this page because this
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page had the file itself it had the installer itself and it had the signature which we downloaded from
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here.
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Like I said each signature is unique to each file and we use this signature with the developer key to
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sign this file.
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And as you can see everything marched.
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So this means that this file has not been modified since we downloaded it from the web page.
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So we can go ahead now and double click it to install Tor.
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So as you can see this step was optional.
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You don't have to do it.
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But we did it just to make sure that this file has not been modified by anybody.
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When we downloaded it from our Web site so the rest of the install is very simple we're going to say
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OK I want the language to be English.
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I'm going to keep the installation path for the default one I'm going to click on install it will install
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it for me just like any other program and were done.
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So you can uncheck these if you don't want to on tour or if you don't want to add it to the start menu.
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I'm going to keep everything the same.
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I'm going to click on finish and this will automatically start the Tor browser for me.
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As you can see right here still in me I can click on Kinect to connect to the network.
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So we're going to do the and now the browser is going to first connect to the tour network and then
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launch the browser for me.
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And as you can see the browser is working and I'm not going to use it right now.
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I'm not going to show you how to use it.
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We'll talk about this in the next lectures.
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But right now we have a clean version of the Tor Browser installed on our computer and ready to be used.
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