- Letter:
AllA(27)B(7)C(18)D(23)E(8)F(21)G(4)H(6)I(7)J(3)K(10)L(11)M(278)N(16)O(8)P(34)R(10)S(17)T(17)More
- Operating System:
AllWindows 95(12)Windows 98(12)Windows Me(12)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(12)macOS(12)Linux(12)Android(12)iOS(12)