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This question already has an answer here:

I am using (windows 7 - 32bit) Please advise can I install ( Ubuntu 14.04 LTS - 64bit ) as dual boot? Or should I install Ubuntu 32bit alongside.

Thanks.

marked as duplicate by karel, Fabby, Eric Carvalho, Sparhawk, mikewhatever Feb 14 '15 at 17:02

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  • What's your processor? – LakshyaAg Feb 12 '15 at 9:19
  • System Model: OptiPlex 745 Processor: Intel(R) Core(TM)2 CPU 6300 @ 1.86Ghz (2CPUs) Memory: 4GB – zarpio Feb 12 '15 at 9:36
  • Intel® Core™2 Duo Processor E6300 (2M Cache, 1.86 GHz, 1066 MHz FSB) specifications -> Instruction Set = 64-bit. 64-bit operating system is compatible with your hardware and recommended for your hardware. The CPU is a bit slow, so its a toss-up between either Ubuntu or Xubuntu, and I would choose Ubuntu. – karel Feb 12 '15 at 10:11
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There is no cross-effect with dual-boot, where the other OS is 32-bit.


Generally you should use 64-bit if you have at least 2GB RAM, and your PC/laptop is reasonably modern. Ubuntu 64-bit includes full 32-bit support.

Possible exceptions would be: need to support UEFI (avoid 32-bit), or (laptop with) Intel Atom graphics (needs 32-bit driver).

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First check your CPU instructions.If it has 64 bit instructions, then you can run any 32 or 64-bit systems as far as I know.

  • System Model: OptiPlex 745, Processor: Intel(R) Core(TM)2 CPU 6300 @ 1.86Ghz (2CPUs), Memory: 4GB – zarpio Feb 12 '15 at 9:36
  • Can u please go through your Computer's properties and tell me the system type of your computer? – Gulam Mohammed Feb 12 '15 at 9:47
  • Well I have gone through web and found that your's having a 64-bit architecture.So you can install Ubuntu 14.04 LTS 64-bit.It won't give you any problem.. – Gulam Mohammed Feb 12 '15 at 10:11
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Dell Optiplex 745 will probably run 64-bit Ubuntu just fine.

  1. It uses a 64-bit capable processor .

  2. There are examples on web where people have installed and run 64-bit OS on the system successfully .

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