For what?
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At the moment, there is 2 kinds of wallets - Zipped Wallet with index file and Wallet App on Chrome store.

In the near future, will be available the official online wallet.
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https://github.com/wavesplatform/WavesGUI/releases

https://chrome.google.com/webstore/detail/wavesliteapp/kfmcaklajknfekomaflnhkjjkcjabogm
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And don't forget to see User's manual

http://coremedia.info/WavesWallet-HowDoesThisWork.pdf