Why does Steam continue to keep giving me incorrect download sizes?

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PingableUsername 15.12.2022 klo 23.03

I have like 10 downloads queued because a bunch of games decided to launch an update generally around the same time.

PRIME examples of this incorrect size reporting happening are Rust and American Truck Simulator...

Steam reported Rust as having a 70MB download waiting to be installed, but when I went to double-check it in the download manager, suddenly I see its actually a 13GB install?

I didn't have 13GB free, so I stopped that install and tried to download the Truck SIm update.

But... ATS had a 30MB download jump to 10.2GB, which I also did not have.

What's the deal here?

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Näytetään 1-6 / 6 kommentista

Jerry 15.12.2022 klo 23.23

There are several possible explanations.
For one, patches often do change existing files, so while the size of the download itself is small, the size of affected files is not, even though you will hardly see a change in hard drive use.
Secondly, Steam only shows the size of the last uploaded patch in the "preview". If you missed a big one in the meantime, it may be much more than you expected.
(I know, I had a third thing in mind, when I started typing, but I can't remember what it was...)

Jaunitta 🌸 15.12.2022 klo 23.33

Because when a game's data gets modified with a small section added to the overall, to keep the integrety of all the data the patch first gets written to the game data on our HDD then its rescanned if you like to insure the entire game is intact.
A game requires all the files to be read in a smooth flow and wont if sections are simply cut off and a new piece added. .

ReBoot 15.12.2022 klo 23.34

You've said it yourself:

PingableUsername lähetti viestin:
...
Steam reported Rust as having a 70MB download waiting to be installed, but when I went to double-check it in the download manager, suddenly I see its actually a 13GB install?

Download is not install.

rawWwRrr 16.12.2022 klo 0.00

PingableUsername lähetti viestin:
Steam reported Rust as having a 70MB download waiting to be installed, but when I went to double-check it in the download manager, suddenly I see its actually a 13GB install?

It's a 70MB downloaded patch file that will update 13 GB of installed game files.