- Letter:
AllA(7)B(2)C(10)F(3)G(3)H(32)I(21)L(3)M(14)N(14)P(2)Q(9)S(27)T(22)W(4)X(2)Y(12)Symbol(108)Other(5)
- Operating System:
AllWindows XP(14)Windows Vista(14)Windows 7(14)Windows 8(14)Windows 10(14)Windows 2000(14)Windows Server 2003(14)Windows Server 2008(14)Windows Server 2012(14)Windows Server 2016(14)Mac OS Classic(14)macOS(14)Linux(14)iOS(14)