Web wallet is OK or have to download the Windows wallet to not have BTW frozen

I assume the web wallet is fine, so do I have to also download the Windows wallet and to activate anything? I remember that it was supposed to do something at the end of the year in order to not have out BTW frozen. I already set the Second Secret so I think my wallet is activated. Maybe I didn`t understand well or I`m confused, but I`m afraid not to lose my BTW - my preeeecious! :D
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