To install the application run the file PhotoSideBySideSetup.exe.
Press the "Next" buttons on the following screens to install the application.
You have to check the checkbox "Integrate with Windows Explorer" if you want to be able to open images in Photo Side-by-Side
directly by right-clicking on them in Windows Explorer and selecting "Open in Photo Side-by-Side" from the context menu.
Afterwards, select the directory where the application will be installed, or simply accept the default one and press the "Next" button.
After the application is installed you can start it by clicking the Photo Side-by-Side shortcut icon
on the desktop or by selecting the Photo Side-by-Side shortcut from the Windows start menu or
by right-clicking on an image in Windows Explorer and selecting "Open in Photo Side-by-Side" from the context menu.