Wincmd.key
Cause: Licenses are often version-locked. A license for v6.x may not work on v10.x. Solution: Contact Ghisler Software for a free upgrade key if your license is outdated. Most lifetime licenses purchased after 2008 cover all major updates.
| Problem | Likely cause | Solution |
|--------|--------------|----------|
| Still shows trial after copying file | Wrong file name or extension | Rename to exactly wincmd.key. Disable “Hide extensions for known file types” in Windows Explorer to check. |
| “Invalid key file” error | Corrupted or wrong key format | Re-download from the email. Open in Notepad – it must start with --- START LICENSE ---. |
| Key works on one PC but not another | Version mismatch | If key is version-locked (e.g., 7.0), it won’t work with Total Commander 8.0+. Upgrade the key (usually free for major versions). |
| Key not found after reinstall | Key was in Program Files and got deleted | Reinstall does not delete %APPDATA%\GHISLER\. Move key there. |
Cause: File extension is wrong (e.g., Wincmd.key.txt).
Solution: Enable "File name extensions" in Windows File Explorer and rename the file. Wincmd.key
Since the file is separate from the program executable, it is susceptible to accidental deletion. If a user updates the software by downloading a new zip version of Total Commander and extracts it over their current folder without paying attention, they might overwrite or fail to copy the wincmd.key, reverting the software to shareware mode.
Because key files are often shared illicitly on the internet, some older wincmd.key files found on "warez" sites have historically been known to contain malicious scripts or be bundled with malware. However, a legitimate key file obtained directly from the developer (Christian Ghisler) is safe and strictly text-based. Cause: Licenses are often version-locked
After purchasing Total Commander from the official website (or an authorized reseller), you receive an email containing:
You usually do not receive a ready-made file. Instead, you must create it yourself. Do not panic—this is easy. Cause: File extension is wrong (e
If you lost wincmd.key but have your license number: