The update for Minecraft 1.18.1 is in progress.
- Clone this repository. If you don't know how to do that, then click the green button labeled "Code" and in the popup "Download ZIP".
- If you downloaded the repository as a ZIP, then extract it. Make it your current directory.
- Run
gradlew.bat runClient
in Windows or./gradlew runClient
in Linux in a command prompt.