What utility can turn back the hands of time?

When you left a customer’s location last week, their computer was working perfectly. Since that time, the end user has installed new hardware, removed some applications, upgraded some software, and installed some new operating system patches. Unfortunately, the computer is no longer working as well as it did a week ago. What Windows feature can keep all of the user’s documents in place but change the configuration of the computer to the working configuration from a week ago?

How can you view the details of a disk partition?

You’ve recently purchased a used hard drive to use in one of your desktop computers. After installing the drive, you notice that the drive has not been erased and it already has an existing partition. What Windows utility can you use to examine the details of the disk and its partitions?