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
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:
- Internet Based Installation
- Offline Installation
- Pipeline-Lite Installation which includes the Obi Software tool.