How to make the original WIN7 system into a boot Disc

How to make the original WIN7 system into a boot disc 1. Browse the disc image and extract the files directly. Objective: To directly extract the content of the disc image, you do not need to burn it to a CD or virtual optical drive software: simply open and Extract files or folders (UltraISO supports 27 common CD image formats). Key points: you can use the extract to function to specify the target directory. You can also select a path in the local browser at the bottom of the interface and drag and drop the file directly. 2. Make the disc into an ISO file and save it on the hard disk. Objective: To back up the content of the disc, use the "Create a disc image" function to burn the disc in the virtual or later mode, and select the optical drive, download "production" in ghost win7. Key Point: UltraISO adopts the sector-by-sector replication mode. Therefore, you can create an image for the boot disc, which can still be started after burning. However, UltraISO does not support copying music discs, VCD discs, and encrypted game discs.
3. Create an ISO file from an unlocked file on the hard disk. Objective: To burn a file or use it as a virtual device: Create an ISO file, drag and Drop the file or directory from the "local" browser at the bottom of the interface to the "cd" browser at the top, and save it. Note: UltraISO can create a 10 gb dvd image file, if it is a CD-R, pay attention to the "Total size" on the top to avoid capacity exceeding the limit. In addition, we recommend that you select "UDF" to create a DVD image and select "Joliet" to create a CD image.