- Letter:
AllA(30)B(38)C(89)D(26)E(9)F(18)G(9)H(21)I(19)J(19)K(16)L(15)M(15)N(39)O(10)P(11)Q(8)R(30)S(28)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)