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
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