Get your shit right.
I installed patch 1.0.7 manually because Galaxy wasn't working.
You have to download both PART1 and PART2, either from the library page or from the GOG Downloader Links page.
The former can't be linked, the latter is here https://www.gog.com/downloader/listing/the_witcher_3_wild_hunt

You will end up with the 2 files in the attached screen.
If nothing went wrong with the download process, you'll be able to install the patch.

If not, you probably have downloaded the wrong language.


edit:
changed the attached file. screenshot was taken in the wrong folder.

I'm done getting into this issue with forum trolls that don't bother reading, have no comprehension, and all they want to do is lie and talk.

So I'll make this really simple, people need to produce the exe itself instead of talking out their ass so no more talking, no more excuse, no more stalling, Attach the exe file to the next reply and I will download it.

According to people the EXE is 1MB in size, and attachments can be up to 2 MB max so there is no excuse for someone not to attach it.

If no one attaches the exe in next reply and instead wants to make more excuses, then everyone has proven they're lying about this file even being real because no one seems to be able to produce this so called mystery file.