How to make IE as a Default Browser in Windows 10 OS.

1. Click on start menu
2. Type default programs and click on it.
3. Now in the default apps window.
4. Go to section - Web Browser.
5. Now change it from Microsoft Edge to Internet Explorer.

How to change 24 hour format time to 12 hour format time in windows 8/windows 8.1

https://support.microsoft.com/en-us/kb/2812988

How to make all programs run as Admin by default in Windows8, Windows 8.1, Windows Server 2012, Windows Server 2012 R2

Run PowerShell as Administrator and paste the following to disable UAC:

Set-ItemProperty -Path "HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\System" -Name "EnableLUA" -Value "0"
shutdown -r -t 0

The above commands will give you a full control on windows8/8.1/win 2012/win2012 R2 computer.