1. Install the application and close. (It may say Fake Serial.) 2. Copy "Keygen+Patch" from folder "Keygen+Patch Update 1" and paste it in to the installation folder It is generally : C:\Program Files (x86)\Internet Download Manager OR C:\Program Files\Internet Download Manager Important Note:-)Open Windows Task Manager Click On Processes Select IDM.exe Then Click On End Process 3. Run "Keygen+Patch" and a. Click on Generate b, Click on Patch and select IDM.exe c. Click on Auto Reg Done & Enjoy