Can I update Manjaro, which I last updated three years ago, without any problems?

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Years ago I tested myself - sept. 2019 - taking a very, very old ISO in fact a 0.8.13 version of Manjaro and later the 15.12 version.

That will depend on your skills and your knowledge on how a Manjaro system work.

It gets harder the older the installation is - but a 2023/01 - it could be done - be sure to use pacman - NOT the GUI - as there is packages which will stall the installation.

Carefully read the feedback - and work slowly through the updates.

Consider the GPU used with the system - Nvidia is likely to need special care where Intel or AMD is easier to work with.

recommended for a less experienced user

If your knowledge and experience with system maintenance is limited, a new installation may be better - backup your data to an external USB - you will need two of them - one 8GB for ventoy and the other for data.

Sync the package manjaro-get-iso, udev-usb-sync and ventoy to your current system - I know, never use -y without -u but in this case it is OK to use only the -y argument to get the latest database.

The benefit of doing it this way is the verification done by the get-iso script - it verifies signature and verify the ISO by checksum after it has been copied to the target USB

sudo pacman -Sy manjaro-get-iso udev-usb-sync ventoy
  • Run ventoy and prepare one of the USB sticks.
  • Open the USB stick in the file manager - Ventoy partition
  • Open a terminal and run (if you want the full ISO add the -f argument)
get-iso xfce -o /run/media/$USER/Ventoy
  • Backup your your data to the second USB
  • Boot your system using the Ventoy formatted stick

references

[INFO] New package - udev-usb-sync
[INFO] New package - manjaro-get-iso application
https://ventoy.net

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