How to see hidden files

How to see hidden files
Due to some viruses we not able to see hidden files
to solve this problem follow the below steps

1. Go to Start --> Run, then type regedit
2. Navigate to the registry folder HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\
CurrentVersion\Explorer\Advanced\Folder\Hidden\SHOWALL
3. Find a key called CheckedValue.
4. Double Click CheckedValue key and modify it to 1. This is to show all the hidden files.

Now you should be able to view all the hidden files, and also to alter its status from folder options.