- Letter:
AllA(13)B(11)C(4)D(5)E(14)G(11)I(7)J(3)K(12)L(55)M(20)N(60)O(1)P(14)Q(2)R(5)S(13)T(4)V(9)More
- Operating System:
AllWindows 95(14)Windows 98(14)Windows Me(14)Windows XP(14)Windows Vista(14)Windows 7(14)Windows 8(14)Windows 10(14)Windows 2000(14)Windows Server 2003(14)Windows Server 2008(14)Windows Server 2012(14)Windows Server 2016(14)Mac OS Classic(14)macOS(14)Linux(14)Android(14)iOS(14)