You can follow the steps to create a VMDK file: 1. Right-click on the disk in VMware and select Create New Virtual Disk. 2. Choose the size of the disk and select Store with virtual machine. 3. Click Finish to create the VMDK file. 4. Right-click on the newly created VMDK file and select Add to Library. 5. Select the library in which you want to store the VMDK file and click Add.