1. Product Introduction

1.1 What is Lightedium?
Lightedium is a fully local intelligent photo management tool designed to solve the problem of organizing a large number of photos. A perfect alternative to Picasa. It acts as your personal digital photo album manager:

• Smart Brain: Device-side AI automatically recognizes photo content (people, scenes, text) without needing to upload to the cloud
• Steel Guardian: All data processing is done on your computer, completely eliminating the risk of privacy leaks
• High-Speed Engine: Indexing technology optimized for local storage, ensuring a response time of seconds even when managing over 100,000 photos

Core Advantages Comparison Table

1.2 Target Audience

• Photography Enthusiasts
  • Pain Point: Photos from DSLRs/drones scattered across multiple hard drives, wanting to quickly find "vertical nightscapes from Iceland trip in 2020"
  • Solution: Search by combining time, geographic coordinates, and semantic content
• Family Users
  • Pain Point: 30,000 photos in the phone, wanting to organize a growth album for kids but don't know where to start
  • Solution: Automatic classification via facial recognition, one-click to generate "Baby's 0-3 Year Timeline"
• Privacy-Conscious Users
  • Pain Point: Concerned about cloud albums leaking private photos, but still need intelligent management features
  • Solution: All AI analysis is done locally, no network connection required

1.3 Version and System Requirements

Supported Operating Systems

💡 Tip:

• SSD can boost the speed of similar image comparisons by 300%
• Managing RAW files requires twice the original storage space

Below is the complete optimization plan for the "Installation and Configuration" chapter, enhancing operational guidance and detailed tips:

2. Installation and Configuration

2.1 Download and Installation Steps

▎ Windows Store Installation

1. Open Microsoft Store
   → In the search bar, type "Lightedium"
   → Click the «Get» button (login required if not already logged in)
   （Image: App store search results page, highlighting the install button location）

2. Automatically install after download
   → Find the Lightedium icon in the Start menu to launch
   ❗ Note:

   • Ensure Windows version is 10 (1909+) or 11
   • If prompted with "VC++ runtime missing," click here to download the runtime

▎ Official Website Installer

1. Visit https://lightedium.com/download
   → Click the «Download Windows Version» button
   （Image: Official website download page, highlighting the version selection area）

2. Run the installer Lightedium_Setup.exe
   → Select the installation path (default C:\Program Files\Lightedium)
   → Check «Create desktop shortcut»
   → Click «Install Now»
   （Image: Installer interface, highlighting key options）

3. After installation, check «Launch Lightedium»

2.2 First-Time Startup Configuration

▎ Photo Library Initialization

1. Click the «+ Add Folder» button on the sidebar
   → Browse and select the photo storage path (e.g., D:\My Photos)
   → Support multiple folder selections and set up monitoring for automatic updates
   （Image: Folder selection dialog, highlighting the operation）

2. Supported File Formats List

   Type	Specific Formats
   General Images	JPEG, PNG, BMP, WebP, GIF (static)
   RAW Formats	CR2 (Canon), NEF (Nikon), ARW (Sony), DNG (generic)
   Special Types	HEIC, TIFF, PSD (experimental support required)

3. Click «Start Indexing» to begin background scanning
   → Progress and estimated remaining count displayed in the status bar
   → Can minimize to the system tray to continue working
   💡 Tip:

   • Initial indexing of 10,000 photos takes approximately 60 minutes (mechanical HDD + 4K image environment)
   • Adjust resource priority in «Settings - Background Tasks»

2.3 Interface Navigation

Main Interface Layout Explanation

(Image: Fully annotated interface diagram, numbered to match the table components)