When you Buy a New Laptop or Branded Desktop,There is Windows Preinstalled and have only one Drive Availble in My Computer to Save Data. In Some Cases you Can’t Save Important Data in C Drive Because of Risk of Accidently Windows Crash. To Create a New Drive you have to Reinstall Windows i.e Time Wasting Process because of Installing Drivers and New Software after Reinstall Windows.Here is Very Simple Trick to Create a New Hard Disk Drive without Formatting Current Windows Installation. Below are the Steps to Create a New Hard Disk Drive:
Step 1:  Press Windows + R Button from your Keyboard
It will Open Window named Run WindowStep 2. Type the  diskmgmt.msc  Command in that Window and Press Enter
Create a New Hard Disk Drive Without Formatting Windows
it will Open Window Named Disk Management
Create a New Hard Disk Drive Without Formatting Windows

Step 3. If You Want to Create New from Exciting Drive (Free Space Available on a Drive), Then Right Click on Drive(C,D or other you want to use for Create for New Drive) and Select Shrink Volume, After Some Processing, it Will Shows Available Space to Create Drive(in 3rd Box) Enter Amount of Space you want to Shrink, Enter Value and Click Shrink

Create a New Hard Disk Drive Without Formatting Windows

Step 4. It will Create Unallocated Space/Empty Space to Create New Drive, 

Create a New Hard Disk Drive Without Formatting Windows
Step 5. It Will Open a New Dialogue Box to Create a New Drive
it include some option  like file system, format options etc
Just Click Next, Next and Finish to Create a New Drive
In Few Seconds It Will Create a New Drive in My Computer

Create a New Hard Disk Drive Without Formatting Windows