How to make virtual removable disk?

1.Click  “Create Disk” button

2. Specify Disk Size, and select  "Removable Disk (Like Flush Disk)"

3.Specify location that store this disk file

4. Specify location that store this disk file

5. Specify location that store this disk file

6.Specify additional options

7.Create virtual disk success，the DiskNo is the same as disk managment, please see how to use virtual disk