How to Partition Hard Disk in Windows 8 or 8.1 ? br br Step 1: Go to the Windows Start Button and Right Click and click on Run. br br Step 2: Type "diskmgmt.msc" in the run window and click on Ok,this brings the Disk Managment Window. br br Step 3: On this window ,you can see all your Drives . br br Step 4: Select the Drive that you want to partition to and than click on Shrink ,after that ,Give it a Size and than click on Shrink. br br Step 5: This Gives you the New unallocated space ,in order to make it a Drive .Right Click and than click on New simple Volume . br br Step 5: Follow the Wizard and that's all . br br Thanks for watching,if you like this tutorial ,please like and share .