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Step 1: Install Chat SDK

Overview
This guide provides step-by-step instructions for integrating the TRTC Chat SDK V4 (@tencentcloud/lite-chat) into your web application.
V3 User Upgrade Notice:
If you prefer to continue using the V3 SDK, refer to SDK Integration.
Version Overview
Edition
Size
Feature Overview
Basic Edition
200 KB
Initialization and event listening.
Login and logout.
Supports sending and receiving text messages.
Supports sending and receiving custom messages (customizable content).
Supports User Profile and user status.
Standard Edition (default)
516 KB
Includes all Basic Edition features, plus:
Supports retrieving historical messages, message operations, merged forwarding, read receipts, Message Extension, and more.
Supports sending and receiving images, video, audio, and file messages.
Supports searching Cloud messages (Message), users (User), groups (Group), and group members.
Supports conversation list, conversation profile, and conversation operations.
Supports Group Management and group member management.
Supports Community.
Supports AVChatRoom.
Professional Edition
609 KB
Includes all Standard Edition features, plus:
Supports blacklist, friend management, and friend grouping.
Supports follow and fan features.
Supports conversation grouping.
Supports topics.
npm Integration
Install the required dependency in your project using npm.
npm install @tencentcloud/lite-chat
// If you experience issues syncing dependencies, try switching the npm registry and run again
npm config set registry http://r.cnpmjs.org/
Importing the SDK
The V4 SDK lets you import the Basic Edition, Standard Edition, or Professional Edition according to your application's needs for optimal bundle size.
// Standard Edition (default import, recommended)
import TencentCloudChat from '@tencentcloud/lite-chat';
﻿
// Basic Edition (core chat and user management, smallest bundle size)
// import TencentCloudChat from '@tencentcloud/lite-chat/basic';
﻿
// Professional Edition (includes social features such as friend relationship chain)
// import TencentCloudChat from '@tencentcloud/lite-chat/professional';
Next, initialize the SDK.
Related Resources
﻿SDK Release Notes﻿
﻿SDK APIs﻿

Edition	Size	Feature Overview
Basic Edition	200 KB	Initialization and event listening. Login and logout. Supports sending and receiving text messages. Supports sending and receiving custom messages (customizable content). Supports User Profile and user status.
Standard Edition (default)	516 KB	Includes all Basic Edition features, plus: Supports retrieving historical messages, message operations, merged forwarding, read receipts, Message Extension, and more. Supports sending and receiving images, video, audio, and file messages. Supports searching Cloud messages (Message), users (User), groups (Group), and group members. Supports conversation list, conversation profile, and conversation operations. Supports Group Management and group member management. Supports Community. Supports AVChatRoom.
Professional Edition	609 KB	Includes all Standard Edition features, plus: Supports blacklist, friend management, and friend grouping. Supports follow and fan features. Supports conversation grouping. Supports topics.