I know that it works on Windows 7 32-bit. Have you gone to www.sibelius.com and looked in their support section? Dave Carlson Tastefully composed and transmitted from somewhere in the Western United States, using a Dell Latitude E6520 and Windows 7 ----- Original Message ----- From: "saeed Mirzazadeh" <saeedm19@xxxxxxxxx> To: <sib-access@xxxxxxxxxxxxx> Sent: Wednesday, February 15, 2012 11:48 Subject: [sib-access] windos 7 64 bits Hi all. do Sibelius 5.2.5 and sib-access work with windows 7 64 bits? thanks, Saeed If you wish to unsubscribe, send a blank message with the single word, unsubscribe - in the Subject line to: sib-access-request@xxxxxxxxxxxxx If you wish to unsubscribe, send a blank message with the single word, unsubscribe - in the Subject line to: sib-access-request@xxxxxxxxxxxxx