I try to install Autocad 2006 LT on a PC : WIN 7 Pro, SP1, 64 Bit on a Fujitsu, 8 GB Ram Here´s the following error : [2/15/2016 13:49:46] === Installation started on XXXXXXXX === [2/15/2016 13:49:50] [Info] Windows Installer upgrade is not required [2/15/2016 13:49:50] System Version = 5.0.7601.18637 [2/15/2016 13:49:50] Installation skipped: MSI Runtime 3.0 [2/15/2016 13:49:50] [Info] .NET Framework Runtime upgrade is not required [2/15/2016 13:49:50] System Version = 4.0.40305.0 [2/15/2016 13:49:50] Installation skipped: .NET Framework Runtime 1.1 [2/15/2016 13:49:50] [Info] .NET Framework Runtime upgrade is not required [2/15/2016 13:49:50] System Version = 4.0.40305.0 [2/15/2016 13:49:50] Installation skipped: .NET Framework Runtime 1.1 SP1 [2/15/2016 13:49:50] Installation skipped: .NET Framework Runtime 1.1 Language Pack can't be installed on Windows 64-bit [2/15/2016 13:49:50] Installation aborted [2/15/2016 13:49:51] === Installation ended === It seems it usually doesn´t work. I tried to install in XP-Virtual Machine but the performace is horrible and there is no Homenetwork access (Printers/Nas). I tried to install on WIN 7 diagnostic start with only the windows installer active. It worked, but after reswitch to normal mode I had to run Autocad as an Admin and under compatiblity mode WIN 98/ME and still no Homenetwork. Is it possible to run Autocad LT 2006 on WIN 7 64 Bit ?? And how does it work ??