: Copy and paste your license code into the pop-up window and click Activate .
Always download the software directly from the official developer website to ensure you receive a secure, malware-free installer package. Step 1: Download the Installer
The “Buy Now” or “Activate” nag screens will disappear permanently. cisdem duplicate finder activation key install
The Cisdem customer support team only assists users with verified, legal licenses.
On Windows: Click the or Key icon located on the main interface. : Copy and paste your license code into
: Free continuous optimizations for evolving operating systems like Windows 11 and macOS Sequoia. Troubleshooting Common Activation Errors
Wait for the installer file ( .dmg for Mac or .exe for Windows) to finish downloading. Step 2: Install on macOS The Cisdem customer support team only assists users
To ensure security and stability, always download the software from the official vendor. Avoid third-party cracked software sites, as they often bundle malware or outdated installation files.
| Error Message | Likely Cause | Solution | | :--- | :--- | :--- | | "Invalid license key" | Typo in the key, or using a key for a different Cisdem product (e.g., PDF converter). | Double-check the key in your purchase email. Ensure you opened Duplicate Finder, not another Cisdem app. | | "Activation limit reached" | Key already used on 2+ machines. | Deactivate on an old machine, or buy an extra license. | | "Network error" | Firewall blocking Cisdem. | Temporarily disable Windows Defender Firewall or add Cisdem to the allowed list. | | "Trial expired" | You never entered an activation key and the 14 days are up. | Enter your paid key immediately, or reinstall the OS (not recommended). |