Download and Installation

Obi—Download and Installation

Download

We offer Obi in a range of options listed below. To make sure you are always notified about the latest updates, you should register yourself as an Obi user.  This will also enable you to play a crucial role in providing the future direction to Obi as it will allow us to understand your requirements in a more meaningful way. The registration form will be shown as Obi is launched, after installation. Please make sure that your computer is connected to the Internet while registering.

Main releases

File name/ download url Size Description
Quick start guide.doc 44 KB Step by step guide for creating your first DTB on Obi.
Obi 5.0-64 bit.exe (self extracting zip – 64 bit) 93 MB Setup for online installation on 64 bit systems (installs dependencies from internet)
Obi 5.0-32 bit.exe (self extracting zip – 32 bit) 93 MB Setup for online installation on 32 bit systems (installs dependencies from internet)
.NET 6.0 Desktop Runtime 64 bit 54.7 MB .NET 6.0 Desktop Runtime for 64 bit systems
.NET 6.0 Desktop Runtime 32 bit 49.7 MB .NET 6.0 Desktop Runtime for 32 bit systems
ASP.NET Core 6.0 Runtime 64 bit 8.58 MB ASP.NET Core 6.0 Runtime for 64 bit systems
ASP.NET Core 6.0 Runtime 32 bit 7.84 MB ASP.NET Core 6.0 Runtime for 32 bit systems
Java Runtime Environment (JRE) 16.3 MB Java Runtime Environment for both 64 bit and 32 bit systems
ffmpeg.exe (Codec for MP4, 3GPP & AMR audio files) 26 MB Acknowledgements: ffmpeg.org for the codec library
Obi_JFWScripts251.zip 8 KB JAWS scripts for Obi 2.0 and above, Updated for JAWS 13
Obi_JFWScripts122.zip 4 KB JAWS scripts for Obi 1.2 / 2.0, required only with JAWS 9.0 and 10
Obi_JFWScripts1221-Test.zip 8 KB JAWS scripts for Obi 1.2 / 2.0, Updated for JAWS 11 and 12

Releases recommended for Windows XP and Windows Vista

File name/ download url Size Description
Obi 3.9.1.exe (self extracting zip – 32 bit) 34 MB Setup for online installation on 32 bit XP systems (installs dependencies from internet)
Obi 3.9.1_complete_setup.exe (self extracting zip – 32 bit) 118 MB Setup for offline installation on 32 bit XP systems ( contains all dependencies in itself )
Obi 3.9.1-64 bit.exe (self extracting zip – 64 bit) 34 MB Setup for online installation on 64 bit XP systems (installs dependencies from internet)
Obi 3.9.1-64 bit_complete_setup.exe (self extracting zip – 64 bit) 118 MB Setup for offline installation on 64 bit XP systems ( contains all dependencies in itself )
Obi 4.8-32 bit.exe (self extracting zip – 32 bit) 57 MB Setup for online installation on 32 bit Vista systems (installs dependencies from internet)
Obi 4.8-32 bit_complete_setup.exe (self extracting zip – 32 bit) 187 MB Setup for offline installation on 32 bit Vista systems ( contains all dependencies in itself )
Obi 4.8-64 bit.exe (self extracting zip – 64 bit) 57 MB Setup for online installation on 64 bit Vista systems (installs dependencies from internet)
Obi 4.8-64 bit_complete_setup.exe (self extracting zip – 64 bit) 187 MB Setup for offline installation on 64 bit Vista systems ( contains all dependencies in itself )

Test releases

No test releases available at this time

Previous version are available to download from our Obi older versions page.

Sample content

File name/ download url Size Description
Sample_project1.zip 60 MB Sample project created on Obi
The Story of the Three Little Pigs-dummy text.epub 4.2 MB EPUB 3 sample DTB with dummy text in Content Document
The Story of the Three Little Pigs.epub 4.2 MB EPUB 3 sample DTB without dummy text
DAISY 2.02-Sample-DTB.zip 6.2 MB DAISY 2.02 sample DTB created on Obi

Installation

There are various methods for installing Obi depending on whether you are installing from an internet based installer or whether you are installing offline. Follow our detailed guides: