By default, the bootloader HTC HD7S is locked on the phone. This is done so that the novice user does not make a fatal error while editing the device kernel and does not turn the phone into a brick.
Advantages of Rooting your HTC HD7S
Load your custom apps with higher privileges.
Easy removal of system (pre-installed) applications
You will be able to modify or delete protected files.
You can install your own ROMs.
Disadvantages of Rooting your HTC HD7S
Voids the phone warranty.
You will not be able to update the phone to the latest version.
Risk of bricking device.
Malware can easily breach your mobile security.
How to root HTC HD7S with Computer (via Windows Phone Internals)
Before starting the rooting process, follow these steps.
1. Backup Your Device.
2. Make sure your battery is charged to 90%.
3. Just to be safe, reboot your device.