Not all Inpage versions are created equal. If you are looking to purchase or download Inpage for Windows 10, here is the ranking of stability.
Windows 10 includes an "Emulation Layer" that allows legacy software to run. Inpage falls into the category of legacy software. For the best experience, you should run Inpage in . inpage for windows 10
: Includes Automatic Kerning to adjust inter-word spacing and Automatic Kashida Insertion for aesthetic Arabic font stretching. Not all Inpage versions are created equal