Side-loading is a method of installing an app directly onto Windows using an installer, rather than through the Microsoft Store.

Preparation

Note: Before installing via side-loading, uninstall any previously installed Handbook X Windows clients.

1.) Download the file

Download the file

2.) Install the Handbook X Windows client

Double-click the installation package (sideloadinghandbookx.msix)
Click the “Install” button to begin installation
Once installation completes, the Handbook X Windows client will be ready for use

The sideloading installation of the Handbook X Windows client is now complete.

Revision: 4
Last modified: 14 October 2025