

Add to hosts > C:\Windows\System32\drivers\etc

74.86.5.247	apowersoft.com
127.0.0.1	74.86.5.247



Email Address(case-sensitive): killdozer@sanet.me
Registration Code: 56574953102101985499

Email Address(case-sensitive): killdozer@softarchive.net
Registration Code: 01025152102975397102


or 

copy file "reg" in C:\Users\USERNAME\AppData\Roaming\Apowersoft\MKV Converter Studio