I needed to install DX9c because I wanted to play a game that was very finicky about which DX version it wanted. Normally in Windows7 you get a shield where you confirm that you indeed want to install ...

To protect your Windows 10 PC from hackers, try this: Creating a local user account to be your Administrator account. Many Windows 10 users make the mistake of using the Administrator account as their ...

That doesn't make a lot of sense because SYSTEM is the computer. SYSTEM has more rights than administrator in just about all aspects of the box.