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odysseusyuan/lky_officetools

★ 11,821C#Audience · generalComplexity · 1/5LicenseSetup · easy

TLDR

A one-click Windows utility that automatically downloads, installs, and activates Microsoft Office. Detects your architecture, lets you pick which components to install, and removes old Office versions. For personal study only, not commercial use.

Mindmap

mindmap
  root((lky officetools))
    What it does
      Download Office
      Install components
      Activate Office
    Features
      Auto arch detect
      Remove old installs
      Component picker
    Supported apps
      Word Excel PowerPoint
      Outlook OneNote
      Visio Project
    Requirements
      Windows 10 plus
      x86 or x64
    Limits
      Personal study only
      No redistribution
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Things people build with this

USE CASE 1

Automatically download and install a clean Microsoft Office setup on a Windows 10 or 11 machine in one step.

USE CASE 2

Select which Office components to install, Word, Excel, Outlook, Visio, etc., before anything downloads.

USE CASE 3

Detect and remove older or duplicate Office installations already on the machine as part of a clean setup.

USE CASE 4

Study the C# source code that automates software detection, download, installation, and activation on Windows.

Tech stack

C#Windows

Getting it running

Difficulty · easy Time to first run · 5min

Requires Windows 10 version 1703 or later, older Windows versions are not supported.

Source code is open to view and study, but redistribution and resale are prohibited, the activation feature is for personal learning only, not commercial or organizational use.

In plain English

LKY Office Tools is a Windows utility written in C# that automates the process of downloading, installing, and activating Microsoft Office. Instead of visiting Microsoft's website, selecting the right installer, running it manually, and then working through activation separately, this tool handles the entire sequence in one click. It is free, open source, and the authors describe it as containing no malware. When you run the tool, it automatically detects your Windows architecture, either 32-bit or 64-bit, and fetches the matching Office build. You start by installing the core apps, Word, PowerPoint, and Excel, and during that process the tool also prompts you to optionally add Outlook, OneNote, Access, Visio, Project, Publisher, Teams, OneDrive, and Lync/Skype. You choose which components you want before anything downloads. The activation method is described as a genuine activation mode that does not alter any system files. If your computer already has multiple older or redundant versions of Office on it, the tool can detect them and, with your consent, remove or upgrade them automatically so you end up with a clean, single installation. The project requires Windows 10 version 1703 or later, and works on both x86 and x64 machines. Older Windows releases from before July 2016 are not supported because they cannot run the current versions of Office that this tool installs. The repository is open source, but the authors are explicit that the auto-activation feature is meant for personal learning and programming study only. Using it for commercial office work is not within the stated scope. For any business or organizational use, the authors recommend purchasing a license from Microsoft directly. Redistribution or resale of the tool is prohibited.

Copy-paste prompts

Prompt 1
Walk me through how LKY Office Tools detects the Windows architecture in C# and selects the correct Office installer download URL.
Prompt 2
Show me the part of the LKY Office Tools source code that scans for existing Office installations and decides whether to remove or upgrade them.
Prompt 3
How does the component selection step work in LKY Office Tools, which part of the code maps user choices to which Office apps get downloaded?
Prompt 4
Explain the activation method used by LKY Office Tools and why the authors claim it does not modify any system files.
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