- Letter:
AllA(29)B(31)C(18)D(10)E(9)F(43)G(42)H(12)I(9)J(8)K(8)L(10)M(27)N(12)O(4)P(34)Q(6)R(12)S(19)More
- Operating System:
AllWindows 95(8)Windows 98(8)Windows Me(8)Windows XP(8)Windows Vista(8)Windows 7(8)Windows 8(8)Windows 10(8)Windows 2000(8)Windows Server 2003(8)Windows Server 2008(8)Windows Server 2012(8)Windows Server 2016(8)Mac OS Classic(8)macOS(8)Linux(8)Android(8)iOS(8)