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Verify your download to make sure that it is safe and was not corrupted during download.
Your BitTorrent client will automatically verify your download when it completes.
The verification below is optional for a BitTorrent download.
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Compare manually the checksum of your download with [[the
checksum of our images|install/v2/Tails/amd64/stable/latest.json]].
See our documentation on [[calculating checksums using
GtkHash|doc/encryption_and_privacy/checksums]].
Verify your download using our [[OpenPGP signing key|tails-signing.key]] and
OpenPGP signature.
OpenPGP signature.
We don't provide instructions to verify downloads with OpenPGP anymore.
[[See our security analysis of the different verification techniques.|contribute/design/download_verification]]
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Verifying $FILENAME…
[[!img lib/check.png class="icon" link="no" alt=""]]Verification successful! ($FILENAME)
[[!img lib/cross.png class="icon" link="no" alt=""]]Verification failed! ($FILENAME)
[[!toggle id="why-failed" text="Why?"]]
Most likely, the verification failed because of an error or interruption during the download.
The verification also fails if you try to verify a different download than the latest version, Tails [[!inline pages="inc/stable_amd64_version" raw="yes" sort="age"]].
Less likely, the verification might have failed because of a malicious download from our download mirrors or due to a network attack in your country or local network.
Downloading again is usually enough to fix this problem. Otherwise, please try downloading from a different place or a different computer.
[[How does the verification work?|contribute/design/download_verification]]
"""]][[!img lib/cross.png class="icon" link="no" alt=""]]Error selecting image.
Make sure that you select a USB image that is readable by your browser.
Make sure that you select an ISO image that is readable by your browser.
[[!img lib/cross.png class="icon" link="no" alt=""]]Error downloading checksum file from our website.
Make sure that your browser is connected to the Internet.
[[!img lib/cross.png class="icon" link="no" alt=""]]Error reading image $FILENAME.
Make sure that $FILENAME is readable by your browser.