We have a Application built on Flex 3 , currently we are thinking of Migrating from 3 to 4 version .
My first question is :
We are already having Flex 3 Builder 3 , Can we use Flex Builder 3 for this ?? or need to seperately install Flex Builder 4 for this ??
And what about the code chnages ?? Will that be too much chnages ??
Please suggest , thanks .
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