---
title: "NIOS"
canonical: "https://docs.infoblox.com/space/NIOS/35400616/NIOS"
format: markdown
---
To download the NIOS release notes, visit the [Infoblox Support Portal](https://support.infoblox.com/) and log in. 

|  |  |  |
| --- | --- | --- |
| ## NIOS Documentation | ## HTML | ## PDF<br>Note: Refresh the browser if the PDF does not render. |
| ### <span style="color: #ffffff">**All NIOS versions**</span> |
| NIOS Upgrade Documentation | [HTML](https://docs.infoblox.com/space/niosupgrade/1323696202/Introduction) | [PDF](https://infoblox-docs.atlassian.net/wiki/download/attachments/15433773/Infoblox%20NIOS%20Upgrade%20Documentation.pdf?api=v2) |
| Deployment Guides | [HTML](https://docs.infoblox.com/space/DeploymentGuideBloxOne/667517093/Infoblox+DDI+Deployment+Guides) | Not Applicable |
| ### <span style="color: #ffffff">**NIOS 9.1.x**</span> |
| NIOS 9.1.0 Administrator’s Guide | [HTML](https://docs.infoblox.com/space/nios91x/1934393566/Infoblox+NIOS+9.1.x) | [PDF](https://infoblox-docs.atlassian.net/wiki/download/attachments/15433773/Infoblox_NIOS_9.1.x_Documentation.pdf?api=v2) |
| NIOS 9.1.0 WAPI Documentation (RESTful API) | The online version is available through Grid Manager | [PDF](https://infoblox-docs.atlassian.net/wiki/download/attachments/15433773/Infoblox%20NIOS%209.1.0%20WAPI%20Documentation.pdf?api=v2) |
| NIOS Swagger UI Documentation | [Link](https://infobloxopen.github.io/nios-swagger/) | Not Applicable |
| NIOS Swagger GitHub Repository | [Link](https://github.com/infobloxopen/nios-swagger) | Not Applicable |
| ### <span style="color: #ffffff">**NIOS 9.0.x**</span> |
| NIOS 9.0.*x* Administrator’s Guide | [HTML](https://docs.infoblox.com/space/nios90/154608627/Infoblox+NIOS+9.0) | [PDF](https://infoblox-docs.atlassian.net/wiki/download/attachments/15433773/Infoblox_NIOS_9.0.x_Documentation.pdf?api=v2) |
| NIOS 9.0.*x* WAPI Documentation (RESTful API) | The online version is available through Grid Manager | [PDF](https://infoblox-docs.atlassian.net/wiki/download/attachments/15433781/NIOS%20WAPI%209.x%20Reference%20Guide.pdf?api=v2) |
| NIOS FIPS and CC Compliance Documentation | [HTML](https://infoblox-docs.atlassian.net/wiki/spaces/niosfipscc) | [PDF](https://infoblox-docs.atlassian.net/wiki/download/attachments/15433773/Infoblox%20NIOS%20CC%20and%20FIPS%20Compliance%20Guide.pdf?api=v2) |
| DNS Cache Acceleration Administrator’s Guide for NIOS 9.0.x | [HTML](https://docs.infoblox.com/space/dca9x/399507884/Infoblox+DNS+Cache+Acceleration+Administrator+Guide) | [PDF](https://infoblox-docs.atlassian.net/wiki/download/attachments/15433781/Infoblox_DNS_Cache_Acceleration_Guide_for_NIOS9.0.x.pdf?api=v2) |
| DNS Infrastructure Protection Rules | [HTML](https://docs.infoblox.com/space/threatprotectionrules/1838743566/Overview+of+Packet+Flow) | Not Applicable |
| Multi-Grid Master Administrator’s Guide | [HTML](https://docs.infoblox.com/space/MAG8/19267587/Multi-Grid+Manager+Administrator+Guide) | [PDF](https://infoblox-docs.atlassian.net/wiki/download/attachments/15433773/Multi-Grid%20Manager%20Administrator%20Guide%209.0.7.pdf?api=v2) |
| ### <span style="color: #ffffff">**NIOS 8.6**</span> |
| NIOS 8.6 Documentation (includes Administrator, CLI, and CSV Reference guides) | [HTML](https://docs.infoblox.com/space/nios86/26640387/Infoblox+NIOS+8.6.x) | [PDF](https://infoblox-docs.atlassian.net/wiki/download/attachments/15433773/Infoblox_NIOS_8.6.x_Documentation.pdf?api=v2) |
| WAPI Documentation (RESTful API) | The online version is available through Grid Manager | [PDF](https://infoblox-docs.atlassian.net/wiki/download/attachments/15433773/Infoblox%20WAPI%202.12%20documentation.pdf?api=v2) |