Using Windows 10’s Built-in Compression Tool Here, we will discuss how to password protect a zip file on Windows 10. This feature allows users to encrypt their files and ensure that only those with the correct password can access them. One of the most useful features is the ability to password protect zip files. Windows 10 is a popular operating system that provides users with a variety of features and tools to help them protect their data. How to Password Protect a Zip File on Windows 10 Type your desired password in the given fields.Right-click the newly created ZIP folder.Right-click the file or folder, and select “Send To.”.Open File Explorer, and locate the file or folder you want to password protect.How to Password Protect a Zip File Windows 10?