If Windows is corrupt you can boot Linux on your computer to get your files and copy them to an external hard drive. You burn Linux on a CD or put it on a hard drive. Do not burn the .iso file on a CD or hard drive. An .iso is an archive file like zip and rar. You want to burn the contents of the .iso file on a CD.
If you accidentally deleted a file off your computer, the first thing you should do is run File Scavenger, GetDataBack and Active File Recovery on your computer. The software costs money. It is the best file recovery software in the world for accidentally deleted files. Do not do anything on Windows before running this software or Windows might overwrite the deleted file.
If your hard drive is corrupt then you can boot Heron Boot CD for free. It contains lots of free troubleshooting software. You burn it onto a blank CD. If you dont have a CD you can run it on an empty hard drive. If your computer doesn't boot it, change the startup settings in your BIOS.
There's a software on the CD that is a