I have a windows 98. I have a windows 98 second edition there is four disk to reformat and

Question

I have a windows 98 second edition there is four disk to reformat and reinstall the software on the computer. I went to pick up my disks from my grandma's and the drive in my computer had been already formatted. I put the first disk in master cd 1 and the disk had errors on it. Is the a way that i can get replacemant disks.