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need to sync prior settings

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My work computer got a nasty virus. They pulled the data from it to transfer to a new one and now I am trying to figure out how to get back my settings. I have a sync key, but it is 26 characters long and when I go to "Add a Device' in the Sync Options I don't see where I am supposed to enter that key.

Thanks.

My work computer got a nasty virus. They pulled the data from it to transfer to a new one and now I am trying to figure out how to get back my settings. I have a sync key, but it is 26 characters long and when I go to "Add a Device' in the Sync Options I don't see where I am supposed to enter that key. Thanks.

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Click "I don't have the device with me" at the bottom of the window. Details here - How do I set up Firefox Sync? - connect another computer