How to apply chart license to flex 3

Some user found that after upgrade from FB2/Flex2 to FB3/Flex3, the chart watermark appears in the app. This is because the license has not applied correctly. There are certain changes regarding how we get license info, and they are described in the doc
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Basically, here are the things you need to know:
1. If you want to compile with flex 3 SDK, you will need a new license for flex 3. The license for flex 2 sdk would not work.
2. To apply the license from FB3, go to Help –> Manage flex license, then type in the license key. It should look like this: 1377-xxxx-xxxx-xxxx-xxxx-xxxx.
3. To apply the license in flex-config.xml:



4. To apply the license in file:
The path to the file for various OS are changes for flex 3, they are now at:
1).”../Documents and Settings/All Users/Application Data/Adobe/Flex” directory on Windows
2).”Library/Application Support/Adobe/Flex” directory on MAC
3).”$HOME/.adobe/Flex” on Linux