Look for the "Nero Mega Codec Pack" or the specific "FLAC Nero Plugin by MauMau." These are the most stable versions compatible with the 7.x architecture. How to Install the FLAC Plugin in Nero 7
To burn FLAC files directly to an Audio CD without converting them to WAV first, users must install a specific codec plugin. This allows the Nero Burning ROM component to decode the FLAC stream on the fly. flac plugin nero 7 full
The last stable, truly "full" version for Nero 7 was (or sometimes labeled as FLAC plugin v1.0.2 for legacy Nero). This plugin was freeware but was often bundled with a "Nero Pack" that included plugins for APE, WV (WavPack), and TTA. Look for the "Nero Mega Codec Pack" or
Nero 7 does not install a default "Plugins" folder for audio codecs. You must create it or find the correct directory: The last stable, truly "full" version for Nero