Can this Bible be used offline?
Yes, the Free King James Bible can be used offline or online. The online version is available on a website, while the offline one is available for download from the Windows Store (Windows 8.1 or later is required.)
Access the following link and log-in with a Microsoft account to download it: https://www.microsoft.com/en-us/store/p/bible/9wzdncrfj1fd?rtc=1