Windows

Windows 98/Me/2000/XP (not NT4), Pentium or faster (Pentium III or faster recommended), 64Mb+ RAM (128Mb+ for Windows 2000/XP), 80Mb hard disk space. Scanning may need more RAM. If you have - or are thinking of buying - Windows Vista, please see our notes on the compatibility of Sibelius products with Windows Vista.

Mac

Mac OS 9.1/9.2/10.1.5 or later, iMac/G3/G4/G5, 128Mb+ RAM (OS 9) or 192Mb+ RAM (OS X), 80Mb hard disk space. Scanning requires TWAIN-compatible scanner and may need more RAM.

Recommended if using Kontakt Player or
Save as Audio Track feature:-

Windows

Windows 98/Me/2000/XP (not NT4), 700 MHz processor or faster, 256Mb+ RAM, 450Mb hard disk space, preferably a sound card. If you have - or are thinking of buying - Windows Vista, please see our notes on the compatibility of Sibelius products with Windows Vista.

Mac

OS 9.1/9.2/10.2 or later (not 10.1.5), G4/G5, 256Mb+ RAM, 450Mb hard disk space.