Go to Compute > Virtual Machine > Image and click Create Image.
Select a virtual machine instance you want to create an image from.
All virtual machine instances are shown here in the list, but only powered-off instances can be selected. If you still want to select those instances, please go to instance list to power them off first.
Label your image and add notes if you need.
Create an Instance
In the image list page, click Create Instance to jump to the virtual machine creation page.
Delete an Image
In the image list page, click Delete to delete the image no longer used. After the image is deleted, instances that use the image can still be used and continue to incur charges.