Good day first :
To turn Windows features on or off, follow these steps:
Click the Start button Picture of the Start button, click Control Panel, click Programs, and then click Turn Windows features on or off. Administrator permission required If you're prompted for an administrator password or confirmation, type the password or provide confirmation.
To turn a Windows feature on, select the check box next to the feature. To turn a Windows feature off, clear the check box. Click OK.
Please follow the steps mentioned below. Step 1: To completely un-install Internet Explorer 11 Preview, follow the steps.a. Click on Start.b. Type CMD in Search.c. Right click on CMD and select Run as administrator.d. In Command prompt run the following command and hit enter. FORFILES /P %WINDIR%\servicing\Packages /M Microsoft-Windows-InternetExplorer-*9.*.mum /c "cmd /c echo Uninstalling package @fname && start /w pkgmgr /up:@fname /norestart" Step 2: Now try to un-install Internet Explorer 10. Follow the steps.
a. Click on Start.b. Type CMD in Search.c. Right click on CMD and select Run as administrator.d. In Command prompt run the following command and hit enter. FORFILES /P %WINDIR%\servicing\Packages /M Microsoft-Windows-InternetExplorer-*10.*.mum /c “cmd /c echo Uninstalling package @fname && start /w pkgmgr /up:@fname /norestart” Step 3: Now try to un-install Internet Explorer 9. Follow the steps.
a. Click on Start.b. Type CMD in Search.c. Right click on CMD and select Run as administrator.d. In Command prompt run the following command and hit enter. FORFILES /P %WINDIR%\servicing\Packages /M Microsoft-Windows-InternetExplorer-*11.*.mum /c "cmd /c echo Uninstalling package @fname && start /w pkgmgr /up:@fname /norestart" After following the above steps, check if you are able to open Internet Explorer 8, as Internet Explorer 8 is the default browser in Windows 7.
If you are able to open Internet Explorer 8, you may go ahead and install Internet Explorer 9 or its higher versions.
Refer the following link:
Download Internet Explorer 9 for Windows 7 64 bit. http://www.microsoft.com/en-in/download/internet-explorer-9-details.aspxDownload Internet Explorer 10 for Windows 7 64 bit. http://www.microsoft.com/en-in/download/internet-explorer-10-details.aspxDownload Internet Explorer 11 Release Preview for Windows 7 64 bit. http://windows.microsoft.com/en-in/internet-explorer/ie-11-release-preview or user microsoft tools from here
https://support.microsoft.com/en-us/kb/2579295
best wishes