1.Download Swiftshaders.Rar
2.Now After you downloading the above package extract it in a newfolder and name it swiftshader
   after the extraction open that folder you will get some files like .Dll,

It probably happened once, that someone deleted a folder, which is containing a few hundred files and was very important. If you’d like to avoid anything similar happening in future. You can protect your important folders by making them undeletable. Here is simple tip, which can help you.

Step 1: Open cmd ( Type in Run option cmd or navigate to All Programs -> Accessories -> Command 
Prompt)

Step 2: In cmd change to the directory that you want, I change to E. Just type E: and Press Enter.


Step 3: Type md \lpt1\\ and press enter, the folder will now in your E:


Step 4: If you try to delete or rename it, it will appear error message.


How to delete undeletable folder?

Step 5: Just go to cmd Navigate to the directory and type in rd \lpt1\\

How to "Delete administrator Password" without any software, there are to Methods:

Method 1 


Boot up with DOS and delete the sam.exe and sam.log files from Windows\system32\config in your hard drive. Now when you boot up in NT the password on your built-in administrator account which will be blank (i.e No password). This solution works only if your hard drive is FAT kind.


Method 2


Step 1. Put your hard disk of your computer in any other pc.
Step 2. Boot that computer and use your hard disk as a secondary hard disk (D'nt boot as primary hard disk ).
Step 3. Then open that drive in which the victim’s window(or your window) is installed.
Step 4. Go to location Windows\system32\config.
Step 5. And delete SAM.exe and SAM.log 
Step 6. Now remove hard disk and put in your computer.
Step 7. And reboot your computer.