Technology Software How to Password Protect a Zip File in XP About Technology Friday, July/12/2024 Friday, July/12/2024 167 104 Share 0 1). Open the zip file in Windows Explorer by double clicking it.2). Click the "File" menu and click "Add a Password."3). Type a password for the zip file in the "Password" and "Confirm Password" boxes.4). Click "OK."