When you use the tool called "System Restore", if that's the program you're referring to, yes, all of your data will be safe. System Restore works just with the operating system in rolling it back to correct errors it currently has.
When you use the tool called "System Restore", if that's the program you're referring to, yes, all of your data will be safe. System Restore works just with the operating system in rolling it back to correct errors it currently has.