You have to install Internet download manager version (6.04 or 6.05) and then follow the step to register it properly.
Step 1. Exite IDM from taskbar
Step 3. Click Patch server check and then select IDM where the install file located.
when you click Open it successfully patched.
Step4. Now copy serial key by text box.
Step5. Now open Internet Download Manager from start menu. and Click on Register and past it there the serial key and write name what ever you want.
Click ok to register the IDM now you can find register in about option
NOW for solving fake serial key error you have to do the following steps
Step 6. Open Windows firewall and advance security by control panel and then click on Inbound Rules and then click on New Rule.
Step 7. Now click on Custom and then Next
Step 8. Click on This program path and then Brows and select that IDM
Step 9. and then click next next untill Block the connection option appeard click this option and select Next.
Step 10. click next untill finish option appeared write in name field what you want and click Finish
Step 11. You will see the IDM rule appear in the column.
The error problem solved. Its done.
Enjoy with best wishes
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