# Still cannot run DT 4

**URL:** <https://discourse.devontechnologies.com/t/still-cannot-run-dt-4/83414>\
**Category:** DEVONthink\
**Created:** [May 5, 2025, 3:42pm UTC](https://discourse.devontechnologies.com/t/still-cannot-run-dt-4/83414 "2025-05-05T15:42:33Z")\
**Posts on this page:** 1\
**Showing post:** 8

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**Author:** ![BLUEFROG](https://discourse.devontechnologies.com/user_avatar/discourse.devontechnologies.com/bluefrog/32/135_2.png) [@BLUEFROG](https://discourse.devontechnologies.com/u/BLUEFROG)\
**Post date:** [May 6, 2025, 3:04pm UTC](https://discourse.devontechnologies.com/t/still-cannot-run-dt-4/83414/8 "2025-05-06T15:04:22Z")

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I hope you’ve read…

> [@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…

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