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Exit Zen
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[[!meta title="Tails 3.0 will require a 64-bit processor"]]
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Tails 3.0 will require a 64-bit <span
class="definition">[[!wikipedia x86-64]]</span> compatible processor.
As opposed to older versions of Tails, it will not work on
32-bit processors.
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We have waited for years until we felt it was the right time to do this switch. Still, this was a hard decision for us to make. Today, we want to explain why we eventually made this decision, how it will affect users, and when.
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When will this transition happen?
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Our current goal is to release Tails 3.0, and stop supporting computers with a 32-bit processor, on **June 13, 2017**.
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Will Tails still work on this computer?
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Here is the quickest way to find out:
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Choose <span class="menuchoice"><span class="guimenu">Applications</span>&nbsp;▸ <span class="guisubmenu">Utilities</span>&nbsp;▸ <span class="guimenuitem">Terminal</span></span> to open a terminal.
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Then, there are two possible cases:
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If you see `x86_64`, then you're good: Tails 3.0 should work fine on this computer. But the best way to be 100% sure is to try one of the test versions of Tails 3.0. One was released last November, and a new one should be published later this week, so: stay tuned!
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Else, if you see `i686`, then we have bad news: Tails 3.0 will *not* work on this computer. You now have four and a half months to find a computer with a 64-bit processor. Sorry, and good luck with that!
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Why this change?
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It's no surprise that over the last years, the number of people who use Tails on a 32-bit computer [[!tails_ticket 8183 desc="has dropped"]]: most 32-bit computers are at least ten years old, and one after the other their hardware stops working. As a result, in the beginning of 2016, [[!toggle id="stats" text="only 4%"]] of Tails users were still using a 32-bit computer.
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[[!toggleable id="stats" text="""These statistics are gathered from bug reports we have received from [[WhisperBack|doc/first_steps/whisperback#whisperback]]."""]]
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Of course, some of these computers will keep working for a while. But once the number had fallen this low, the benefits of switching Tails to 64-bit outweighed the reasons we had to keep supporting 32-bit computers.
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We had two main reasons to switch Tails to 64-bit:
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**We want Tails users to be safer**: software built for 64-bit processors can benefit from several improvements that make it harder for attackers to exploit security vulnerabilities (improved [[!wikipedia Address space layout randomization]], compulsory support for the [[!wikipedia NX bit]]).
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**We want to our project to be (more) sustainable**: Tails has been using a 64-bit Linux kernel for a while on machines that support it. But all other programs included in Tails so far were built for 32-bit processors, and compatibility issues kept arising. In the last few years, the developers who maintain Tails have spent lots of time addressing such issues. We would rather see them spend their time in ways that benefit our users on the long term, and not on problems that will vanish when Tails switches to 64-bit eventually.
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Thanks for your attention, and sorry for the inconvenience it may cause to you.
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