How to downgrade IE11 to IE9
1. First, click Uninstall or Change Program
2. Click to view installed updates.
3. Then you can see some installed updates
4. Find IE11, as shown in the picture.
#5. Right-click to uninstall, and both IE11 related ones will be uninstalled.
#6. Uninstalling. Please wait patiently
7. Restart after completion
8.Open after restarting IE will see that IE has changed to IE9.
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