Thanks for downloading.
Three steps to go.
It should begin on its own. If it did not, download Finche manually.
Step one
Open the installer
Find Finche.dmg in your Downloads folder and double click it.
Step two
Drag Finche across
Drag the bird into your Applications folder, then eject the installer.
Step three
Open it
Launch Finche from Applications. It will ask for microphone and calendar access on first run.
Verify your download
The SHA-256 fingerprint of Finche.dmg, version 1.1.207. Compare it if your security team asks you to.
SHA-256
dbc51a91dd22cb77bd75decefad1d84c8909da92a0658c6b0d9e585efededc2c
shasum -a 256 ~/Downloads/Finche.dmg
Finche is signed with an Apple Developer ID and notarised by Apple, so macOS opens it without a warning.
Finche goes everywhere you do
Get the iPhone app too. Capture meetings and look people up on the move, and it syncs with your Mac.