On our website at https://www.xlspadlock.com/download, you must select the version you want to download, install and use: 32-bit or 64-bit. Choose the one according to the Excel version you have. The installer will check whether you install the correct version anyway.

For advanced users, installing can be customized.

After successful installation, XLS Padlock is integrated into Excel: it appears as another tab or menu of the software. To use XLS Padlock, you need to open your Excel workbook first:

Two shortcuts are created on the desktop: one for this guide and another for the XLS Padlock Manager.

XLS Padlock Manager

How to protect an Excel workbook