Icq debuted in 1996 and helped define real-time online chat by introducing presence indicators and direct file transfer. Its lightweight client model made instant messaging accessible to millions and set interaction patterns that still influence modern messaging apps. The Windows desktop client remains a practical, low-overhead choice for users who prefer a focused messenger on PC. The Windows and Android builds offer one-to-one and group messaging, presence status, typing indicators, and straightforward file exchange. Desktop users benefit from keyboard shortcuts and integration with system notifications, while mobile users can install through official channels or search for download icq apk when manual installation is required. If using alternate sources, an icq apk download should be obtained only from trusted sites. This page focuses on getting the client running on your PC and on Android, with step-by-step install instructions, screenshots, and troubleshooting tips. Whether you need quick messaging, reliable file sharing, or clear presence awareness, the legacy and continued updates of the client make it a solid tool for Windows users. Follow the install guide to begin.





ICQ is a lifesaver! The last few days I've been using it for work meetings, and it's SO reliable. The screen sharing is fantastic! I can't imagine how I survived without it before. Truly a gem of an app!