It supports a wide range of Adobe Premiere versions: Adobe Premiere Pro CS3 / Pro 2.0 / Pro 1.5 /Adobe Premiere 7.0 / Elements 4.0 / Elements 3.0.
Once the plug-in is installed, you are able to import FLV into Adobe Premiere. Just follow the steps below. I'll take Adobe Premiere Pro 2 as an example:
When you want to save an online video to your PC, convertdirect.com facilitates the download process.
Step 1: Launch Adobe Premiere Pro 2.
Step 2: Click (File > Import......)
Alternatively, you can double click the blank space below the horizontal bar in the "Project" window as shown:
And the Import dialogue box will pop up immediately:

If there are no FLV files shown, you can select All Supported Media. And then, you can select the source FLV file that you intend to edit and click on "Open" button, and Moyea FLV Importer for Adobe Premiere will help you to import the selected FLV file into Adobe Premiere.
After the editing in Premiere, just output as FLV. It's swift and nice.