There are a few things you can do to get maximum download speed in IDM with crack :
Ensure that your internet connection is stable and fast.
Configure IDM settings to optimize the download speed. Go to Options > Connection > Speed/Dial-up and select the highest possible speed for your connection type.
Increase the number of connections in IDM. Go to Options > Connection and increase the number of connections to the maximum allowed by your internet connection.
Use a download manager that supports multi-threaded downloading, as this can significantly increase download speed.
Choose download mirrors that are closest to your location, as this can reduce latency and increase download speed.