1- Download Update_1.1.zip 2- Unzip file - Datura.mdb - Repertorium Virosum.exe 3- copy "Repertorium Virosum.exe" and "Datura.mdb" into folder which Repertorium Virosum 1.0 has been installed in; which by default is "C:\Program Files\Sol Developers\Repertorium Virosum v1.0" your software has been update to version 1.1 and is ready to use. If you have any problem send mail to support@repertoriumvirosum.com Repertorium Virosum Programming team http://www.RepertoriumVirosum.com