Use trail version Again and again without installing twise

here i got a trick to use a software ,game , or any other tool again and over again without registration .Because registration is the wastage of time and money too.
just follow me .I will teach you how to use internet download manager trail version over lifetime without registration so take idm internet download manager as an example and try it over the software game or tool you want any
You must do this prior to expiry date or before registration date .

Goto startup and enter run > type regedit and hit enter with full power.I,A

Now window like this will appear

press CTRL + F 
and write the software tool or game
In my case i write internet download manager
and hit enter


After the window of searching there will apear your  desirous item like

Delete all the relative enteries and hence your registry will forget the registration and now u can use the software as a new  .......................................................