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different versions of duolingo on different OS?

i'm on a mac. my sister uses DL on a PC. she has access to some christmas terms, more lingot store items, and has the ability to "correct her mistakes" on her version of duolingo. i was curious as to how to gain access to this. any help is appreciated!

December 30, 2013

1 Comment


Hi! We do lots of testing before releasing new designs and features. Since you're a new user you are seeing the new design that we're currently testing. It will soon have the extra lessons among other features. It has to do with when you signed up. New users are currently getting the new design for testing purposes, but your sister will see that soon (with features like the ones she is using - extra lessons, correcting mistakes, etc.) You are experiencing the future :)

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