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Alright so my computer is 64-bit and I only want to use Linux to install Steam, play Team Fortress 2 and get that penguin item but It's not working out for me. The version of Ubuntu I installed was the "Wubi.exe" which let's me use it along with Windows. But when I get it up and download the Steam .deb file, it tells me "Wrong Architecture 'i386'". What do I have to do to run Ubuntu alongside windows without using a CD/USB stick?

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Similar question: How can I install Steam? – minerz029 Mar 8 '14 at 11:22

Open the terminal and type:

sudo dpkg --add-architecture i386
sudo apt-get update

Try installing it after doing that.

For future reference look: &

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still doesnt work for me – user132730 Feb 16 '13 at 23:08
It worked fine here when I've ran into the problem. (And It's the way many people fixed it) – Blastcore Feb 16 '13 at 23:18
@user132730 after doing that run sudo apt-get install ia32-libs as has been suggested by lordqwerty. – w4etwetewtwet Apr 7 '13 at 14:41
recent versions of Ubuntu supports multiarch natively (both precise and trusty), you just need to apt-get install steam. – Giovanni Toraldo Jun 7 '14 at 10:39

Try installing the ia32 libs by opening up a terminal and entering the following:

sudo apt-get install ia32-libs

Once that has run and installed, then use terminal to install Steam for you. Run the following in terminal:

sudo apt-get install steam

Now you will have Steam installed and you should be able to launch it as expected.

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This answer is the second part of the solution. First you need to add the i386 architecture... see and… – bcbc Feb 17 '13 at 1:28
ia32-libs should in theory increase stability, but yeh :) – lordqwerty Feb 17 '13 at 10:55
sudo dpkg --add-architecture i386
sudo apt-get update
sudo apt-get install lib32z1 lib32ncurses5 lib32bz2-1.0
sudo apt-get install steam

it's working with Ubuntu 14.04 LTS on iMac 2008 via Dual-boot with rEFInd.

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Thank you i was looking for the solution for 14.04 64bit everywhere. Yours worked. – Samy Ateia Feb 4 at 23:04

Talk of i386 or ia32-libs doesn't work for 14.04. When I try the later, I receive the following output: However the following packages replace it: lib32z1 lib32ncurses5 lib32bz2-1.0

As such, this solution works for me. Alt+Ctrl+T to open the terminal and run following commands:

sudo apt-get install lib32z1 lib32ncurses5 lib32bz2-1.0
sudo apt-get install steam

Steam works as expected from here.

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Not sure about in 14.04, but at least in 15.04 steam is in the multiverse repository. that means that you can simply sudo apt-get install steam and it will install the required dependencies. No need to download a .deb file.

Just adding this for future use.

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