Instant messaging (IM) apps let you send text, photos, voice notes, and video calls over the internet. On Windows, most services offer a desktop app or a web version so you can chat without keeping your phone unlocked. Choose tools that match how your friends, family, or workplace actually communicate.
Popular messaging apps
Product marks below are loaded from src/assets/images/IM-* in this project. Trademarks belong to their respective owners.
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WhatsApp
One of the world's most widely used chat apps, owned by Meta. You sign in with your phone number and can message individuals or groups, share photos and documents, and make voice or video calls. End-to-end encryption is enabled by default for personal chats.
- Best for: Staying in touch with friends and family internationally.
- Note: Requires a mobile phone for initial setup; desktop links to your phone account.
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Facebook Messenger
Meta's chat service tied to Facebook (and optionally Instagram). It supports one-on-one and group chats, stickers, voice/video calls, and file sharing. Many people already have contacts there through their Facebook friends list.
- Best for: Casual chats with Facebook contacts; quick calls without exchanging phone numbers.
- Note: You need a Facebook account; privacy settings are worth reviewing in the app.
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WeChat (微信)
The dominant all-in-one app in China: messaging, voice/video calls, Moments (social feed), mobile payments, and mini-programs inside one platform. Desktop WeChat mirrors conversations from your phone after you scan a QR code to log in.
- Best for: Daily communication in China; work and personal contacts who rely on WeChat.
- Note: Phone must stay connected for desktop sync; features differ by region.
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Discord
Built around servers and channels—organized spaces for communities, gaming teams, study groups, or hobby clubs. Supports text chat, voice channels you can drop into, screen sharing, and bots for moderation or fun.
- Best for: Gaming communities, online clubs, and informal group voice chat.
- Note: Less suited as a replacement for SMS-style contact lists; structure is server-based.
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Slack
A workplace collaboration hub: team channels, direct messages, file sharing, and integrations with tools like Google Drive, Jira, or GitHub. Search across conversations and pin important messages for your team.
- Best for: Office teams, remote work, and project coordination.
- Note: Free plans have message history limits; your employer usually invites you to a workspace.
Getting started on Windows
- Download from each app's official website or the Microsoft Store—avoid third-party "bundled" installers.
- Many apps (WeChat, WhatsApp) require your phone for the first login or to stay online.
- Turn on notifications only for apps you use daily so the taskbar stays manageable.
- Review privacy and blocked contacts in Settings if you receive unwanted messages.
Tip: You do not need every app—install the ones your contacts and workplace already use. In China, WeChat and QQ remain common; internationally, WhatsApp and Messenger are widely used; teams often standardize on Slack or Microsoft Teams.