1. Highligh the Folder which you want to make invisible,
2. Right mouse click the Folder and then Rename,
3. Press "ALT+0160"(without inverted comma), simultaneously(meaning, press ALT and Type 0160 without releasing the ALT key),
4. You can now see your Folder name invisible,
5. Then, Right click your Folder and Go, Properties\Customize\Change Icon,
6. You can find grid of different icons and find some blank icon files present when you scroll,
7. Click that blank icon file and Press OK,
8. Now, your Folder is invisible,
9. Now, you can place the Folder anywhere you want,
Note: When you want to make another Folder with same command line then it gives "Error Message", so to overcome the problem, just press Space and Rename the Folder repeating PROCESS 3.