Before test, copy umf.dll to system path of your OS,if your OS is 32bit, put umf.dll (32bit) to \windows\system32, if your OS is 64bit, put umf.dll (32bit) to \windows\SysWOW64 and umf.dll (64bit) to \windows\system32.

Please read readme.txt in IE directory if you want use Reader-plugin with IE

Please read readme.txt in firefox directory if you want use Reader-plugin with firefox or Google-chrome