The .zip packages are encrypted with AES 256 encryption algorithm. You will need to use a third party software that has AES encryption capabilities to unzip the file(s). 
All popular file compression tools are AES capable: WinZip, 7Zip, WinRar are a few examples.

Trying to unzip with Windows default software, will result in an error.

packages are password encrypted. to unzip the packages, the password is: CANPKI2024

