Press Release Update for Mainnet Software (#168)

* Update 2024-01-31-release-1-0-0.md

* Update 2024-01-31-release-1-0-0.md

* Update 2024-01-31-release-1-0-0.md

* Update 2024-01-31-release-1-0-0.md

* Update 2024-01-31-release-1-0-0.md

* Update 2024-01-31-release-1-0-0.md

* Update 2024-01-31-release-1-0-0.md

* Update 2024-01-31-release-1-0-0.md

* Update 2024-01-31-release-1-0-0.md

* Update 2024-01-31-release-1-0-0.md

* Update 2024-01-31-release-1-0-0.md

* Update 2024-01-31-release-1-0-0.md

* Update 2024-01-31-release-1-0-0.md

* Update 2024-01-31-release-1-0-0.md

* Update 2024-01-31-release-1-0-0.md

* Update 2024-01-31-release-1-0-0.md

website/_posts/2024-01-31-release-1-0-0.md

@@ -1,8 +1,45 @@
 ---
 layout: post
-title: "Pactus 1.0.0 Released"
+title: "Pactus 1.0.0 (Beijing) Released"
 date: 2024-01-31 00:00:00 +0000
 tags: announcement, release
 ---
 
-TO BE Completed
+## Overview
+
+Pactus Blockchain [Version 1.0.0 Beijing](https://github.com/pactus-project/pactus/releases/tag/v1.0.0)
+is now available for download.
+This release includes a graphical user interface (GUI) that
+is suitable for both beginners and experienced users.
+It also includes a command-line interface (CLI) for advanced users and wallet software
+that allows users to interact with the blockchain without the need to sync the entire blockchain.
+
+## Highlights
+
+### Mainnet Official Release v1.0.0 (Beijing)
+
+The much-anticipated official software release of Pactus v1.0.0 (Beijing) marks a significant milestone
+for our community.After conducting a poll, the name "Beijing" was unanimously selected by our community.
+This impressive mainnet release represents the culmination of extensive development efforts. Pactus v1.0.0
+(Beijing) offers a pioneering solution for streamlining the validation of Pactus blockchain,
+enhancing security, and providing a user-friendly experience. We're excited to unveil the official software
+and welcome users to experience the power of Pactus in revolutionizing the future of blockchain. Join us on
+this exciting journey.
+
+## Download
+
+This version has been implemented for [Mainnet]({{ site.url }}/2024/01/24/mainnet-launched.html)
+To start using Pactus Mainnet, download the latest version from the [download]({{ site.baseurl }}/download)
+page and join the Mainnet.
+
+These guides can help you to download, install and configure your node:
+
+- [How to run Pactus in graphic mode?]({{ site.baseurl }}/user-guides/run-pactus-gui)
+- [How to run Pactus in command line mode?]({{ site.baseurl }}/user-guides/run-pactus-cli)
+- [How to run Pactus using Docker?]({{ site.baseurl }}/user-guides/run-pactus-docker)
+
+## How to Upgrade
+
+If you are running an older version, shut it down.
+Uninstall the previous version and install the newer version.
+If you are using the archived version, simply use the new version.