IDM is well known and most wanted Download Manager in the World coz of its fast speed and features.
But the problem is this that its not free software and you have to buy it after 30 days..
There are many cracked IDM versions are available through out the Internet world but nobody know that they secure for your PC or not!!!!
Now u don't need to install any cracked version of IDM coz today i m sharing the full method of IDM registration for free......
STEP 1 : First of all Download IDM from its official site
and install it...
or If you already have IDM installed Update it by going to Help---}} then to check for Updates.
If you don't wanna update your version, Just click on Registration.
Step2: When you click on registration, Now a new dialog appears that is asking for Name, Last Name, Email Address and Serial Key.
Step3: Now Enter you name, last name, email address and in field of Serial Key enter any 1 of the following Keys:

And click on ok to register.
Step4: Now after you click ok, it will show an error message that you have registered IDM using fake serial key and IDM will exit.
Now here the нα¢к starts.
Step5: Now Go to START Menu --}} Then go to RUN or Press Windows+R key and type the following text and click enter:
and open it with notepad or wordpad .
Step6: Now you a notepad file opened in the last line of the file there will be
local host written.
Now write all this code after the last line ends.

Now save the file and Restart your PC
after restarting it will show the same error that your idm is registered with fake serial key. Just use given above serial keys and your idm will be register.
This Method is 100 % working on windows XP.
Now your idm of any version will be registered.