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I have installed Ubuntu 14.04 LTS next to windows 10 and I want to update it to version 20.04 LTS, how can I do it?

Also, will there be a problem with Windows?

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Artur Meinild
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Wilfredo Hernandez
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  • Thanks for the edit @Artur Meinild – Wilfredo Hernandez Aug 30 '21 at 19:20
  • Can you check if Ubuntu 14.04 was installed in BIOS or UEFI mode? See [How to check if Ubuntu has booted in UEFI mode?](https://askubuntu.com/questions/1111045/how-to-check-if-ubuntu-has-booted-in-uefi-mode) Edit your question with the answer. – user68186 Aug 30 '21 at 20:22
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    I agree with @sudodus that a *clean* or *fresh* install is probably best given the 6 years between a 2014-April (14.04) & 2020-April (20.04) release. As it looks like you're using a desktop, I'd personally use an *unclean* or *upgrade via re-install* option .. ie. select existing partitions and don't format. It'll attempt to restore your additional packages in that case (if available for new release in Ubuntu repositories) I'd use it and expect everything to be great & nothing more needs to be done, if it's not *perfect* you still have the option of a *clean* install (and lost on ~15 minutes) – guiverc Aug 30 '21 at 22:35

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In theory it might be possible to do-release-upgrade, but only stepwise via 16.04 and 18.04 to 20.04 (the LTS releases). It would take a lot of time is is very likely to fail somewhere.

I recommend that you backup your personal files (documents, pictures etc) to another drive) and after that make a fresh installation of 20.04.x LTS (it is at the third point release now, 20.04.3 LTS). It will probably be much faster and will give you a much cleaner system.

sudodus
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    Ok, would you recommend a site to download it from please, I'm new to starting with linux and I have almost no personal documents but I do have some applications that I install.@sudodus – Wilfredo Hernandez Aug 30 '21 at 19:30
  • There are instructions and links at [this official web site](https://ubuntu.com/download) – sudodus Aug 30 '21 at 19:37
  • Thanks, there you tell me how to do it without damaging the windows? Is that I still work daily – Wilfredo Hernandez Aug 30 '21 at 19:40
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    @WilfredoHernandez See [How do I install Ubuntu alongside a pre-installed Windows with UEFI?](https://askubuntu.com/questions/221835/how-do-i-install-ubuntu-alongside-a-pre-installed-windows-with-uefi) for how to install Ubuntu without damaging Windows. – user68186 Aug 30 '21 at 19:42
  • What you can do is to **make the installation into the same partition as the old Ubuntu**. (Avoid using the whole drive, because that way you overwrite Windows.) The installer will prompt you in the right direction. Please read the instructions and check carefully what you select. But there is always a risk, so in order to have peace of mind, **please backup everything that you cannot afford to lose**. – sudodus Aug 30 '21 at 19:45
  • Perfect, thank you very much. – Wilfredo Hernandez Aug 30 '21 at 19:52
  • @user68186 Thanks, i will check the link – Wilfredo Hernandez Aug 30 '21 at 19:54
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    @sudodus in principle I agree with "make the installation into the same partition as the old Ubuntu." However, this is a bit advanced method for someone new. – user68186 Aug 30 '21 at 20:13
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    IMO it's better to use Disks from the live session to delete the partition currently containing Ubuntu 14.04 so there is unpartitioned free space That way the Ubuntu installation will offer the guided installation "Alongside Windows" and Ubuntu will be installed to the unpartitioned free space – Nmath Aug 30 '21 at 22:52