Datei Herunterladen Gc6de.7z -

The phrase "put together piece" refers to the core mechanic of this puzzle:

: You must download the GC6DE.7z file (a high-compression archive) and extract its contents using software like 7-Zip. Datei herunterladen GC6DE.7z

: Once you have the coordinates from the assembled pieces, you can find the cache and sign the logbook to claim the "find". The phrase "put together piece" refers to the