1、解压缩
2、复制Update文件夹下的升级补丁或DLC到游戏目录覆盖
3、运行游戏

需要官方Steam正版原始版本才可使用：点击下载

集成游戏发售至今全部升级档 并包含以下9个DLC:

NOBUNAGA'S AMBITION: Souzou SR - "RTK13" 30 Face CG Set   
NOBUNAGA'S AMBITION: Souzou SR - GAMECITY GCコインシリアル   
NOBUNAGA'S AMBITION: Souzou SR - GAMECITYオンラインユーザー登録シリアル
NOBUNAGA'S AMBITION: Souzou SR - “Nobunaga's Ambition Day” memorial set (2016)
NOBUNAGA'S AMBITION: Souzou SR - "Miura Anjin" Bushou Data
NOBUNAGA'S AMBITION: Souzou SR - "Oyamada Shigemasa","Muramatsu Dono" Bushou Data
NOBUNAGA'S AMBITION: Souzou SR - "Mego Hime" Bushou Data
NOBUNAGA'S AMBITION: Souzou SR - Scenario Senranyamazu
NOBUNAGA'S AMBITION: Souzou SR - “SengokuBushouRetsuden”

更新说明：

Update Information Ver. 1.0.4 (2016.5.9)
5月9日        - KTG_DEV_MESSENGER
The following improvements and bug fixes were made:

Improvements:
- Improvements to the behavior of certain commands.
- Improved so that the Steam Achievements status matches the Ingame status.

Bug Fixes:
- Fixed a number of conditions that caused the game to be unable to advance.
- Fixed certain bugs in the in-game flow.
- Fixed a camera related bug.
- Fixed a bug that interfered with saving properly due to certain game settings.
- Fixed the tutorial.
- Fixed a number of other bugs, including display related bugs.

By 官方Steam正版分流