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1. How do I launch the client?

Simply run the .exe file. For JAR/JSON launcher versions, please follow the Discord tutorial.
Make sure to use Zulu 21 to launch the client.

2. The client does not start

Please troubleshoot step by step. If none of these solve the issue, open a ticket on Discord to contact support.
  • Sync your system time
  • Delete .minecraft\options.txt
  • Delete %appdata%\Opai\Alts.json
  • Delete %appdata%\Opai\extensions
  • Delete the entire %appdata%\Opai folder and %appdata%\.opai folder
sync

3. Which operating systems are supported?

Currently, only Windows 10/11 is supported. There is no support for Unix-like systems, and it is unlikely to be added in the future.