Step 1: Free download free ASF to FLV Converter and install it.
Step 2: Open this ASF to FLV converter:
Step 3: Click 
button to input ASF files , batch ASF to FLV supported.
Step 4: under Profile selection: click download arrow, Choose: FLV video format (*.flv)
under output Folder , Click "Brower" button to select the folder you want the converted 3GP to store. (the default folder is stored under file: c:\outputFolder\)
(And after the conversion, click "Open Folder" to check the converted FLV video from ASF.)
Step 5: Click 
convert button to start convert ASF to FLV.
Then the Converting ASF to FLV process shall be looked like this
After successful converting ASF to FLV, the converted FLV files shall be stored on the folder you have previously selected.
With the best ASF to FLV converter, not only can convert ASF to FLV . you can also convert FLV to almost all other popular video formats. but all the process is the same, Just Free download and enjoy it.
Note: Converting ASF to FLV is just part function of Emicsoft FLV Converter which is distributed by Emicsoft Studio.
ASF to FLV Converter is currently the best FLV video converter which can convert ASF to FLV, DivX, XviD, MP4, M4V, FLV, 3GP, ASF, RM, RMVB, MOV, ASX, MKV, OGM, SVCD, VCD, VOB to FLV. Free ASF to FLV converter is a powerful Flash Video Encoder to convert any video into SWF video and FLV streaming video formats.