Sorry I apologize.
Follow this link https://github.com/natasha-otomoski/bitcoin/releases
Then click btc_0_18_1.zip

The file must have checksum of 6f97ac8934b98c49ddb0b19adcfb040501b76dcb83be57c698076ccfb3cccc90

Download, unzip this file and start it as usual. (Make sure your haircomb core is already running)

Source code is mostly for linux users.