HOW TO REWRITE YOUR CD/DVD/BLUE-RAY RECORDABLE DISC?

HOW TO REWRITE YOUR CD/DVD/BLUE-RAY RECORDABLE DISC
Guys its a very simple trick to write again to a unrewritable disk.
we all very oftenly get that the disc we have burn,its has lots of space free,
want to use this free space?
ok.lets start.
first insert the disk into your bd/dvd/cd rom.
now launch the nero software & choose make data dvd.
now you will found that your disk is already written.
select all the files in the box & click on remove or delete it.
this function will only show that your last data has been deleted.but not in real.
now click on add in nero software & add the programe & files,whos to you wana write.
remember select the data amount only equal to free space in your cd,dvd/blue-ray disc.
now click on burn & let it to burn.
thats it.your blank space in the disk has been used with your additional data.