- Letter:
AllA(13)B(5)C(13)F(11)G(3)H(9)I(20)K(10)L(7)M(5)N(12)O(1)P(115)S(10)U(2)W(7)X(4)Y(19)Symbol(20)More
- Operating System:
AllWindows XP(13)Windows Vista(13)Windows 7(13)Windows 8(13)Windows 10(13)Windows 2000(13)Windows Server 2003(13)Windows Server 2008(13)Windows Server 2012(13)Windows Server 2016(13)Mac OS Classic(13)macOS(13)Linux(13)iOS(13)