No.Tails provides upgrades every six4 weeks, thatwhich are thoroughly tested to make sure that no security feature or configuration gets broken. Updating add-ons in <span class="application">Tor Browser</span> might break the security built in Tails.
Updating add-ons in *Tor Browser* might break the security built in Tails.
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This second synchronization is made by sending HTTPS queries through Tor to several websites and deducing a correct time from their answers. TheYou can see the list of websites that could be queried in this process can be found in `Tails can connect to in *[[!tails_gitweb config/chroot_local-includes/etc/default/htpdate.pools desc="/etc/default/htpdate`.pools"]]*.
This second synchronization is made by sending HTTPS queries through Tor to several websites and deducing a correct time from their answers. You can see the list of websites that Tails can connect to in *[[!tails_gitweb config/chroot_local-includes/etc/default/htpdate.pools desc="/etc/default/htpdate.pools"]]*.
It is technically hard to do it properly, see: <https://blog.torproject.org/bittorrent-over-tor-isnt-good-idea>.
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You can install <span class="code">`youtube-dl</span>` as an[[aAdditional package|doc/first_steps/additional_software]]. <span class="application"> Software|doc/persistent_storage/additional_software]]. *youtube-dl</span> * allows downloading videos from more than [700 websites](https://github.com/rg3/youtube-dl/blob/master/docs/supportedsites.md).
You can install `youtube-dl` as [[Additional Software|doc/persistent_storage/additional_software]]. *youtube-dl* allows downloading videos from more than [700 websites](https://github.com/rg3/youtube-dl/blob/master/docs/supportedsites.md).