If you are looking to automate your Bandicam license registration, you can use a simple Batch file (.bat) to run a command-line script. This is the official and most reliable "activator" method for those with a valid license, as it skips manual entry in the UI. How to Set Up the Bandicam CMD Activator
Bandicam Activator CMD or similar "crack" tool is generally considered unsafe and unreliable
5.1 Starting Bandicam from CMD with Parameters
You can launch Bandicam via command line using specific arguments (documented in Bandicam’s official help files):
Official Free Version: You can use Bandicam for free indefinitely, but recordings will have a www.BANDICAM.com watermark and a 10-minute time limit.