How to tell if your Computer is 64 bit?

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Modern computers are all 64bit. Barring a few netbooks. But if you have an older system like a Pentium 4 or even Core2Duo or equivalent, you might have a 64bit system. Majority of those were 32bits but some were built for 64bit architecture.

If you want to find out if your PC/laptop is 32bit or 64 bit, do the following in Ubuntu:

  • Start a command line Terminal
  • Type the following command:


Look at the output. The first two lines will display the results of whether it is 32bit or 64bit.

Here is my output from a 64 bit machine:


The first two lines will define if the system is 64bit or not. Here it lists the Architecture as 64bit. So that’s it.

Techie by day, blogger by night. Love the outdoors, enjoy traveling and building new and interesting things. Follow me if you want to know something.
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