Folder security

[sanchit]

Is there any software using which we can lock any folders?? In folder lock all have to be kept in locker.
I require some software by which each folder can be locked separately and when we open it password is required.

[vandit]

I am also in search of a security software such as mentioned above as I need to keep privacy in my PC.Please do inform me if you find any working links of this software.Thanks.