In Rainbows Flac «RECENT»

This is the gold standard. Purchase a used or new copy of the In Rainbows CD (typically $10–15). Use Exact Audio Copy (EAC) or XLD to rip it to FLAC. You will own it forever.

Later, 24-bit versions became available through specialist platforms like 7digital and Qobuz . These files are often touted as being "closer to the source", retaining the nuances of the original recording sessions. Why FLAC Matters for This Album In Rainbows Flac

If you’re looking for of the In Rainbows FLAC release (e.g., was it truly lossless, were there mastering differences): This is the gold standard