How Do I Reinstall Windows 7 Without Losing Data or Programs?

How do I wipe my computer clean and reinstall Windows 7 without CD?

Restore without installation CD/DVD

1. Turn on the computer.
2. Press and hold the F8 key.
3. At the Advanced Boot Options screen, choose Safe Mode with Command Prompt.
4. Press Enter.
5. Log in as Administrator.
6. When Command Prompt appears, type this command: rstrui.exe.
7. Press Enter.

Will reinstalling Windows 7 delete everything?

As long as you do not explicitly choose to format/delete your partitions as you are reinstalling, your files will still be there, the old windows system will be put under old. windows folder in your default system drive. The files like videos, photos and documents won’t disappear.