# DT4 - Upgrade to DEVONthink4

**URL:** <https://discourse.devontechnologies.com/t/dt4-upgrade-to-devonthink4/82654>\
**Category:** DEVONthink\
**Tags:** dt4\
**Created:** [April 4, 2025, 8:02pm UTC](https://discourse.devontechnologies.com/t/dt4-upgrade-to-devonthink4/82654 "2025-04-04T20:02:29Z")\
**Posts on this page:** 1\
**Showing post:** 18

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**Author:** ![TonyLim](https://discourse.devontechnologies.com/letter_avatar_proxy/v4/letter/t/5e9695/32.png) [@TonyLim](https://discourse.devontechnologies.com/u/TonyLim)\
**Post date:** [April 6, 2025, 4:23am UTC](https://discourse.devontechnologies.com/t/dt4-upgrade-to-devonthink4/82654/18 "2025-04-06T04:23:19Z")

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I have read this…

> [@READ ME – Running the DEVONthink 4 Trial](https://discourse.devontechnologies.com/t/read-me-running-devonthink-4-beta/82600/):
>
> Read this if you want to run a trial of DEVONthink 4… Firstly… DEVONthink 3 and 4 should not be available to run on the same account, on the same Mac. Optimally, DEVONthink 4 should be installed on a separate macOS user account in its own ~/Applications directory to isolate it from other user accounts. However, if you want to run DEVONthink 4 and use it with your DEVONthink 3 databases, you need to make sure version 3 can’t be launched. In the Finder, locate the DEVONthink 3 application. Con…

After upgrading from DT3 pro to DT4, the settings in DT3 are not carried over. For example, under Files-\>Markdown, the Style Sheet reference, the Import images to group, etc.

Sorter, OCR settings, etc just to name a few.

How can I have the settings in DT3 move to DT4? I did a backup of DT3 before upgrading. So, if I need to copy any files from DT3, I should have a copy.

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