After entering, click Optimize Acceleration. Then click the startup item in the lower left corner. Disable all software around 360. Click Software Manager. In the pop-up interface, click Uninstall. Slide down the interface, find 360 security guards, and click uninstall. Detailed steps:

1. First, double-click 360 Security Guard in the lower right corner.

2. After entering, click Optimize Acceleration.

3. Then click the startup item in the lower left corner.

4. After that, disable all software around 360.

5. After disabling, return to the original interface, and then click Software Manager.

6. In the pop-up interface, click Uninstall.

7. Slide down the interface, find 360 security guards, and click Uninstall.