I used Ubuntu 16.04 LTS 32 bits. I have been notified that i can upgrade to 18.04. My question is that one: Which version of Ubuntu 18.04 will be installed, 32 bits or 64 bits?

  • Is your system 32bit as I doubt it has a 32bit version – George Udosen Aug 17 '18 at 19:07
  • @GeorgeUdosen I've heard many people are getting update for 18.04 from in 16.04 32bit. But I doubt on the performance. – Kulfy Aug 17 '18 at 19:20
  • My computer is a 64 bit, but in 2012 i installed Ubuntu 12.04 32 bits. I upgraded 12.04 32 bit to 16.04 32 bits. This week my software updater send me a notification: Ubuntu 18.04 is avalaible... to Upgrade!!! – Simon Brouillard Aug 17 '18 at 20:07
  • If your system is 64 bit then go for it! – George Udosen Aug 17 '18 at 20:35

First of all, if the CPU is 32-bit, you can't install a 64-bit OS on it.

Judging by the answers on Is it possible to "upgrade" from a 32bit to a 64bit installation? and How can I switch a 32-bit installation to a 64-bit one?, it is very difficult to switch from 32- to 64-bit, so I can't imagine the upgrade would do it for you.

  • 1
    That's correct the release upgrader will not switch to 64 bit for you. – Brian Murray Aug 17 '18 at 20:29

According to answer on this question you can upgrade 16.04 LTS to 18.04 LTS with 32-bit support:

Downgrade from 17.10 to 16.04LTS

There is a bit of confusion in this area.

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