However, if you specifically need the Adobe IDE installer for the design view:
Several community archives exist for preservation. If you have a legitimate serial number (e.g., from a boxed copy or old purchase), you can download the .exe or .dmg from these sources: flash builder 4.7 download
RAM: A minimum of 2GB is required, but 4GB or more is highly recommended for 64-bit operation. Post-Installation: Updating the SDK However, if you specifically need the Adobe IDE