Use Carbide c++ Pro/OEM edition for more than 21 days:
- When your license expired after 21 days, install carbide c++ on another machine. Copy the license file at eg. C:\Program Files\Nokia\Carbide.c++ v1.2\Carbide.c++ Licenses to your original machine. Start and it shall work for another 21 days!
Note: Hacking is strongly not encouraged.