- Letter:
AllA(77)B(67)C(77)D(42)E(27)F(59)G(42)H(51)I(60)J(16)K(27)L(40)M(75)N(52)O(18)P(53)Q(9)R(38)S(84)More
- Operating System:
AllWindows XP(10)Windows Vista(10)Windows 7(10)Windows 8(10)Windows 10(10)Windows 2000(10)Windows Server 2003(10)Windows Server 2008(10)Windows Server 2012(10)Windows Server 2016(10)Mac OS Classic(10)macOS(10)Linux(10)iOS(10)