Ensure WinRAR is installed on your Windows machine.
This informative write-up covers the use of to password-protect, lock, and encrypt folders (creating .rar archives) to secure sensitive data from unauthorized access. What is a Locked/Password-Protected RAR File? Download Folder Lock rar
Modern WinRAR versions use 256-bit AES encryption, which is a global, industrial-strength standard for data security. Ensure WinRAR is installed on your Windows machine