Before you risk a cracked key, ask yourself: Do you need Araxis specifically? For developers, with the GitLens extension offers side-by-side diff and merge editing that is 90% as good as Araxis Merge. It is completely free and open source. WinMerge (Windows) and Meld (Linux/Mac) are also excellent free alternatives.
You can pre-populate the serial number and licensed user directly into the Windows Registry. This is highly effective when installing via an MSI package HKEY_CURRENT_USER\Software\Araxis\Merge\7.1 (or the relevant version key). SerialNumber LicensedUser string values. For macOS (Keychain): araxis merge license key
The "Araxis Merge license key" you are looking for does not exist as a free, safe, perpetual gift from the internet. You will find malware, stolen keys that get revoked, or time-wasting forum posts. Before you risk a cracked key, ask yourself:
Some cracks intentionally corrupt the diff engine’s logic to "phone home" less. This leads to false negatives—Araxis Merge might incorrectly report two files as identical when they are not. For a lawyer reviewing contracts or a developer merging code, this is catastrophic. WinMerge (Windows) and Meld (Linux/Mac) are also excellent