Double-click the QQ icon on the computer desktop to start QQ; Open the QQ main panel. Then, click the "contact" icon, as shown in the figure below. All contacts are displayed below. Find the QQ friend whose invisibility you want to set; Then, put the mouse on the nickname of this QQ friend. Then, click the right mouse button to pop up the relevant menu on the right; Place the mouse on "Set Permissions" in the menu. A submenu of "Set Permission" will pop up on the right; At this time, you will see the item "Online is invisible to it". Click the item "Invisible to it online"; Pop-up dialog box: After the setting is successful, your friends can't see your online status. After the setting is successful, the icon shown in the figure below will be displayed in the lower left corner of QQ friends' avatar. If there are other friends who want to set their own stealth operations, just set them one by one as mentioned above. If you want to cancel this operation, find the friend in the contact list on the QQ main panel, and right-click the friend's nickname to pop up a menu. Place the mouse on "Set Permission" and a submenu will pop up on the right. Click "Cancel Invisibility".

QQ is the abbreviation of Tencent QQ, which is an instant messaging software based on Internet launched by Tencent. QQ covers Windows, macOS, iPadOS, Android, iOS, WindowsPhone, Linux and other operating platforms. Its symbol is a little penguin wearing a red scarf. Tencent QQ supports online chat, video call, point-to-point breakpoint continuation, * * * file sharing, network hard disk, custom panel, QQ mailbox and other functions, and can connect various communication terminals.