Download Stashcut.
Stashcut downloads for buyers only. Enter your licence key and your download starts.
Your key is in the email you got when you bought Stashcut. The download is the same app on every Mac; your key is what unlocks it, on up to three Macs you personally use.
No key yet? Buy Stashcut. Lost the email? Write to [email protected] from the address you bought with.