- Letter:
AllA(56)B(48)C(56)D(66)F(43)G(43)H(37)I(27)J(12)K(19)L(29)M(54)N(37)O(13)P(38)R(28)S(61)T(47)U(13)More
- Operating System:
AllWindows 95(9)Windows 98(9)Windows Me(9)Windows XP(12)Windows Vista(12)Windows 7(12)Windows 8(12)Windows 10(12)Windows 2000(12)Windows Server 2003(12)Windows Server 2008(12)Windows Server 2012(12)Windows Server 2016(12)Mac OS Classic(10)macOS(12)Linux(12)Android(12)iOS(12)