I almost gaved up trying to figure out why all links in the internet ( that explain how to upgrade Flash Builder AIR SDK ) seem to fail to address a lot of issues when I upgraded my Flash Builder 4.7’s AIR SDK to AIR 3.7. Given my relentless attitude towards some weird Flex behaviors and after doing a lot of thinkering, I finally came up with the complete steps of how to successfully upgrade AIR
![How to upgrade Flash Builder 4.7’s AIR SDK ( The complete guide )](https://cdn-ak-scissors.b.st-hatena.com/image/square/8d71ff5111e05619a10d29bb40d7aebaa75c8fbc/height=288;version=1;width=512/https%3A%2F%2Fs0.wp.com%2Fi%2Fblank.jpg)