@@ -29,17 +29,11 @@ Photon OS binaries are available in a number of formats, including ISO, OVA and

 For download instructions and links to Photon OS binaries, go to the [Download Guide](https://github.com/vmware/photon/wiki/Downloading-Photon-OS).

-*Photon OS 3.0 GA is here!*

+*Photon OS 4.0 GA is here!*

 --------------------------

-Photon OS 3.0 GA introduces new devices support including ARM64 (Raspberry Pi 3), installer improvements and up-to-date OSS packages including linux kernel, systemd and glibc.

+Photon OS 4.0 provides support for the Real Time flavor of kernel linux-rt, SELinux , installer improvements, PMD role management improvements and critical updates to OSS packages including linux kernel, systemd, and glibc.

-For an overview of changes, see [What's New in Photon OS 3.0](https://github.com/vmware/photon/wiki/What-is-New-in-Photon-OS-3.0).

-

-Photon OS 2.0

-Photon OS 2.0 introduces new security and OS management capabilities, along with new and updated packages for Cloud native applications and VMware appliances. 

-

-For an overview of changes, see [What's New in Photon OS 2.0](https://github.com/vmware/photon/wiki/What-is-New-in-Photon-OS-2.0).

+For an overview of changes, see [What's New in Photon OS 4.0](https://github.com/vmware/photon/wiki/What-is-New-in-Photon-OS-4.0).

 ## Getting Started

 Begin your Photon OS journey by browsing our extensive guides on getting started in the [Photon OS Wiki](https://github.com/vmware/photon/wiki).

@@ -54,12 +48,12 @@ To help you get started making contributions to Photon OS, we have collected som

 Before you start to code, we recommend discussing your plans through a GitHub issue or discuss it first with the official project [maintainers](https://github.com/vmware/photon/blob/dev/AUTHORS.md) via the [#photon Slack Channel](https://vmwarecode.slack.com/messages/photon/), especially for more ambitious contributions. This gives other contributors a chance to point you in the right direction, give you feedback on your design, and help you find out if someone else is working on the same thing.

 ## License

-The Photon OS ISO and OVA images are distributed under the [Photon OS EULA](https://github.com/vmware/photon/blob/2.0/installer/EULA.txt).

+The Photon OS ISO and OVA images are distributed under the [Photon OS EULA](https://github.com/vmware/photon/blob/master/EULA.txt).

-With the exception of the 'libtdnf' source code, Photon OS source code is distributed under GNU GPL v2. The 'libtdnf' source code is distributed under GNU LGPL v2.1. For more details, please refer to the [Photon OS Open Source License file](https://github.com/vmware/photon/blob/master/COPYING).

+With the exception of the 'libtdnf' source code, Photon OS source code is distributed under GNU GPL v2. The 'libtdnf' source code is distributed under GNU LGPL v2.1. For more details, please refer to the [Photon OS Open Source License file](https://github.com/vmware/photon/blob/master/LICENSE.md).

 ## Photon OS Resources

-- **Documentation**: The Photon OS Documentation provides information about how to install, configure, and use VMware Photon OS™. You can view the published HTML files on https://vmware.github.io/photon/assets/files/html/3.0/index.html and the source files on the [Docs](docs/) folder.

+- **Documentation**: The Photon OS [Documentation](https://vmware.github.io/photon/docs/) provides information about how to install, configure, and use VMware Photon OS™.

 - **Security Updates**: Visit [Security-Advisories](https://github.com/vmware/photon/wiki/Security-Advisories).

-- **Vagrant box**: An official Vagrant box is available on Hashicorp Atlas, to get started: `vagrant init vmware/photon`. A plugin to support Photon OS guests in Vagrant is available at [https://github.com/vmware/vagrant-guests-photon](#https://github.com/vmware/vagrant-guests-photon). Some users have found that our Vagrant box requires VirtualBox 4.3 or later. If you have issues, please check your version.

+- **Vagrant box**: An official Vagrant box is available on Hashicorp Atlas, to get started: `vagrant init vmware/photon`. A plugin to support Photon OS guests in Vagrant is available at [https://github.com/vmware/vagrant-guests-photon](https://github.com/vmware/vagrant-guests-photon). Some users have found that our Vagrant box requires VirtualBox 4.3 or later. If you have issues, please check your version.