How to Encrypt Programs?


Free EXE Lock can lock and unlock any program on your PC so that nobody can use it without your permission. It allows you to customize password that contains letters, numbers, punctuation marks and so on & prompt a customized message if anyone attempts to run the locked program.

Step 1. Select an EXE File

Launch Free EXE Lock and click “Select” to select an .exe file you need to encrypt. You can also open the directory of the selected .exe file by clicking“Browse”. You can check “Back up the current executable file to *.bat” for security purpose. If some unexpected errors occur when encrypting, this option will help you restore the original file.

Select an EXE File


Step 2. Enter Password

Type the password in box of “Password” with less than 18 characters. Retype the password in box of “Confirm” for verify purpose. Check “Mask password” if needed. Custom your own prompt message of the encrypted EXE file and click“Test” to have a preview.

Enter Password


Step 3. Encrypt the EXE File

Click “Encrypt” to encrypt the EXE file and the encryption will be completedwithin several seconds.

Encrypt the EXE File

If you want to decrypt the EXE file, enter the password in “Password” and click “Decrypt“.
Decrypt the EXE File


Step 4. More Options

Switch to “Settings & About” to choose one encryption mode from “Speed priority (not compressed)” and “Security priority (compressed)”. The option of “Add ‘Encrypt with Free EXE Lock’ to .exe file’s context menus” supplies a swift method to encrypt your .exe files. Just right-click on your .exe file you want to encrypt and select “Encrypt with Free EXE Lock” menu item. Check it if you need. Another option – “Password needed when start Free EXE Lock” – offers the password protection for Free EXE Lock itself. Anybody who wants to run your Free EXE Lock must enter the password first. Click “Config” to enter the password. Click “Apply” to apply all the settings.

More Options

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