- Letter:
AllA(27)B(28)C(81)D(24)E(9)F(9)G(7)H(15)I(19)J(17)K(15)L(6)M(18)N(34)O(10)P(8)Q(6)R(21)S(25)More
- Operating System:
AllWindows 95(64)Windows 98(64)Windows Me(64)Windows XP(64)Windows Vista(64)Windows 7(64)Windows 8(64)Windows 10(64)Windows 2000(64)Windows Server 2003(64)Windows Server 2008(64)Windows Server 2012(64)Windows Server 2016(64)Mac OS Classic(64)macOS(64)Linux(64)Android(64)iOS(64)