Hello,

I understand that when using the Galaxy client, the download checksum is probably done automatically (hopefully).

But for various reason, the topmost being that there's no Linux release of the Galaxy client, having access to the checksums might be very handy!
It was there before, why remove it ?

For the personal story:
I recently purchased a game. The game was missing most of the voices (it had the music, the sound effects, but only the main character's voices. Voices from all other characters were missing). After hours of trying to understand what was wrong (in the trailer, other characters had voices, so it was definitely an issue on my side), I was about to ask for refund when I, as a last resort, tried to re-download the game and realized that the checksum wasn't matching the previous download. After re-installing using the newer download, all was resolved.

Best regards

Get a browser add-on like ViolentMonkey and use the GOG Checksum Lookup script by xmanacollectorx. There's also the fork by Velitar which adds a download button.

If you don't mind some manual copy-pasting:

Go to your download history, copy a link to a file, paste it into address bar, add ".xml" at the end and hit Enter.

^ This. If you don't want to use scripts or 3rd party utilities, then this is a simply way of getting the md5's you want. When I download my stuff, and I do it manually via browser, I save the xml files alongside the installer files themselves. It's quicker than grabbing the checksum and copying it elsewhere. Just note the checksum for the entire file is in the first line - the rest is for download chunks.

Thank you both for this really great tip!

...is exactly what a bot would write. But I don't know how else to say it...