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Frequently Asked Questions

1. How to upgrade from Prepros 5

Under the hood, Prepros 6 is a completely different app so you can install Prepros 6 and use both Prepros 5 and Prepros 6 at the same time. Prepros 6 can also import config from Prepros 5 while adding project.

2. How to download Prepros 5 ?

Please use the following links.

3. How to reset Prepros config ?

Please delete one of the following config folder depending on your OS. That will reset Prepros configurations.

  • Windows : C:\Users\<YOUR_USER_NAME>\AppData\Roaming\io.prepros.6
  • macOS : /Users/<YOUR_USER_NAME>/Library/Application Support/io.prepros.6
  • Linux : /home/<YOUR_USER_NAME>/.config/io.prepros.6

4. Can I use the same license on multiple devices?

Licenses are single user. You can use a license on as many devices as you want as long as you are the only primary user of those devices.

5. What is the upgrade price ?

Prepros users who purchased Prepros in last 4 months can get upgrade for free. Other users can upgrade for $19.

6. What is the difference between paid and trial/free version?

Prepros trial is unlimited but it pops up a trial dialog on startup and at some time interval. You can buy Prepros to remove the popup. There is no other difference.

7. Will the trial version ever expire ?

You can use free version forever but It will open a popup asking you to pay. You can disable popup by paying for a license.

8. Notifications Not Working on Windows 10

If Prepros is not showing compile notifications on Windows 10, Please go to settings and make sure notifications are enabled.

9. I lost my license key.

You can retrieve your key from Prepros Shop. Click the lost key link on the footer.

10. My question is not listed above.

Contact me at my email address hi at