Unlock ZIP or PDF file without password free on Windows PC First, go to the ZipRipper GitHub page, click the Code button, and select Download zip. Once downloaded, extract the zip file.

Microsoft is one-upping this move by attempting to bypass password protection in zip files and, when successful, scanning them for malicious code.

If you're working with the Microsoft .NET Framework 4.0 or newer, here's how to create .zip files from code.