re-install windows without deleting other software inside. HOW?

[18sx]

Please help me.
I just need to know how to re-install windows without actually have to delete all the software. this is just for future reference.

so i can access the software again but with fresh os system.

tq bruder...

 

[Nodsu]

You can't do that. You can either do a "repair" install, refreshing your existing OS or wipe the partition clean and get a completely new OS with reinstalling all the software.

Blame Microsoft.

 

[18sx]

tq..ANYWAYS