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<div class="prerequisites">
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__Prerequisites__:<br>
All tutorials require Vanadium <a href="/installation.html">installation</a>, and must run in a <a href="/tutorials/faq.html#why-bash-">bash shell</a>.
{{# scenario }}
<br>Further, please <a href="/sh/scenario-{{ scenario }}-setup.sh" download="scenario-{{ scenario }}-setup.sh"> download this script</a> then <a href="/tutorials/faq.html#why-source-">source</a> it:
```
source ~/Downloads/scenario-{{ scenario }}-setup.sh
```
This command wipes tutorial files and defines shell environment variables. If you start a new terminal, and just want to re-establish the environment, see instructions <a href="/tutorials/setup.html">here</a>.
{{/ scenario }}
{{# also }}Also:<ul>
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Please see the <a href="/tutorials/basics.html">Client/Server Basics tutorial</a> and the <a href="/tutorials/javascript/hellopeer.html">Hello Peer tutorial</a> for background concepts.
</li>{{/ jsSpecial }}{{# chrome }}<li>
Please install the <a href="https://chrome.google.com/webstore/detail/vanadium-extension/jcaelnibllfoobpedofhlaobfcoknpap">Vanadium Chrome extension from the Chrome web store</a>.
</li>{{/ chrome }}{{# account }}<li>
This tutorial requires a <a href="https://accounts.google.com">Google account</a>.
</li>{{/ account }}
</ul>{{/ also }}
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If you would like to generate files from this tutorial without the copy/paste steps, download and source <a href="/sh/tut-completer-{{ completer }}.sh" download="tut-completer-{{ completer }}.sh">this script</a>. Files will be created in the `$V_TUT` <a href="/tutorials/setup.html">directory</a>.
{{/ completer }}
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</div>
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