When the software connects to the internet to check for updates, or when a new update changes the internal validation logic, the software identifies the blacklisted key and revokes access, reverting the program to trial mode or blocking use entirely. The Hidden Dangers of "Free" License Keys and Cracks
You do not need to risk your system security with cracked keys. Scooter Software offers generous, legitimate options for testing and using their tool. 1. Leverage the Generous Evaluation Period
Most websites promising free serial keys bundle their downloads with malicious software. You risk infecting your system with trojans, spyware, or ransomware that can steal your personal data, passwords, and financial information. 2. Software Instability
%appdata%\Scooter Software\Beyond Compare 4\BC4Key.txt . Linux: /etc/BC4Key.txt . Legitimate Free Use Buy Beyond Compare beyond compare 4 license key has been revoked free
这些工具功能强大且完全免费，能从根源上消除授权烦恼。
To understand why keys are revoked, one must first understand the economics of software. Beyond Compare is developed by Scooter Software, a relatively small, independent company. Unlike tech giants that can afford to offer free tools subsidized by advertising or data collection, Scooter Software relies entirely on the sale of licenses to pay for development, server maintenance, and support staff. When users search for "free license keys" online, they are rarely finding a legitimate giveaway. Instead, they are almost always encountering keys that have been stolen, cracked, or generated by illicit key-generators. The revocation of these keys is not an act of malice by the developer, but a necessary defensive measure to protect their business model.
If you are testing the software and your trial expired or is bugged, you can sometimes restore trial mode by renaming the BC4Key.txt file BC4Key.bak while the application is closed. Community Workarounds (Advanced) Some users on platforms like GitHub have shared scripts to reset trial status When the software connects to the internet to
: If a genuine key is posted on forums or Gists, the developer ( Scooter Software ) may blacklist it. Version Mismatch
Upgrading Beyond Compare to a newer minor version triggers an online check that catches blacklisted keys. The Risks of Using "Free" Revoked License Fixes
A "revoked" license message is a sign that the "free" shortcut has reached a dead end. To maintain a professional and secure workflow, your best bet is to either , purchase a legitimate license (which is a one-time fee, not a subscription), or transition to WinMerge . Using a v4 Key on v4.3+)
While Beyond Compare 4 is an incredibly robust tool, dealing with revoked license keys can disrupt your workflow. If you own the software legally, contacting Scooter Software support will get you back up and running. If you don't have a purchased key, using free, open-source alternatives like or WinMerge will ensure you never have to deal with revoked evaluation keys again. If you are unsure how to proceed and want more help:
: Ensure your key matches the edition you have installed. You can toggle between Standard and Pro modes in the Help > About Beyond Compare window to see if your key works for a specific version. Official Trial Options
Many users attempt to search the web for free license keys. If a single key is leaked and used by hundreds of machines, Scooter Software identifies the abuse and blacklists (revokes) that specific key in their database. Once your software attempts to verify the key online, or if the application receives an update that includes the updated blacklist, your key will be flagged and rejected. 2. Version Mismatch (e.g., Using a v4 Key on v4.3+)