Office tool plus，HEU KMS，均为github的开源软件

Office tool plus:

https://github.com/YerongAI/Office-Tool/releases/tag/v10.6.2.0

HEU KMS:

https://github.com/zbezj/HEU_KMS_Activator/releases

7z:

https://7-zip.org/

视频地址:

https://b23.tv/1TyGbQs