$ 0 0 How To Change A Drive Size In Windows 8In Windows 8 or 8.1 How to expand or Shrink the partitons to each disk. To do this you have to follow the below Steps.Step 1:First You will need to use the Start Screen search.Step 2: Right Click on My Computer then click on Manage.Step 3: Click on Storage and then Double click on Disk Management.Step 4: Right Click Select "Shrink Volume" on Disk which you want to Shrink or Resize it.Step 5: Put some which you like to put and click on Shrink.