EasyHDR BASIC 2.13 is a freeware, but reduced and slightly modified version of one of the older easyHDR versions: easyHDR 2.13. You can use it freely, but please keep in mind that many of the features that can be found in the full easyHDR version are not supported there.
EasyHDR is constantly being developed and therefore has more features and options than the offered here easyHDR BASIC. It also producess different results. Please refer to the version information and check differences between version 2.13 and the most recent one.
Please also try the demonstration version of easyHDR 3.