The software is often ready to use immediately after installation without the "30-day trial" nag screens.
Ensure you are getting the file from a reputable source to avoid malware. Internet Download Manager -IDM- 6.36 Build 5 Repack
Optimization of the segmentation engine to ensure your PC doesn't slow down while downloading at high speeds. How to Install and Use Using the repack is straightforward: The software is often ready to use immediately
This specific build addressed several bugs found in earlier iterations of the 6.36 branch: Internet Download Manager -IDM- 6.36 Build 5 Repack