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I would like to make a question. I will install Ubuntu OS along my Windows Enterprise 10 x64 bit. When I go to ubuntu.com to download the operating system I see like alternative options 2 version : 32 & 64 bit.

My computer is Fujitsu Siemens with the details shows in photo below. I like to know if the 32-bit version know 5 GB of RAM ?

enter image description here

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  • If you have a 32-bit system then go for the 32-bit option, if you have a 64-bit system then go for the 64-bit option, it's simple.
    – user364819
    Oct 1, 2016 at 10:56
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    Go for 64 bit, which will have multiarch support (means you can install both 64bit and 32bit packages). On a 32bit system, you can not install 64bit software. It will also use your CPU more efficiently, although RAM usage might be minimally higher with 64bit. This should not be a problem as you have more than 4GB RAM though.
    – Byte Commander ♦
    Oct 1, 2016 at 11:12

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Yes, the 32-bit version can theoretically use up to 64GB of RAM thanks to PAE, see this question: It is secure to upgrade the RAM of a 32-bit Server?

But. Why in the world would you want the 32-bit version? 64-bit is better in so many ways. You have an x64 compatible CPU and 5GB of RAM, so get the 64-bit version! :)

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  • Thanks . I have downloaded and installed the 64 version of uBuntu . Is working fine, as I am new here that why I decided to ask about. Thank you again ;)
    – Bledi Bali
    Oct 1, 2016 at 17:53

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