- Letter:
AllA(1)B(6)C(34)D(12)F(13)G(6)H(25)I(17)K(8)L(6)M(2)N(5)P(5)R(4)S(2)T(4)V(3)X(7)Symbol(28)More
- Operating System:
AllWindows 95(13)Windows 98(13)Windows Me(13)Windows XP(17)Windows Vista(17)Windows 7(17)Windows 8(17)Windows 10(17)Windows 2000(17)Windows Server 2003(17)Windows Server 2008(17)Windows Server 2012(17)Windows Server 2016(17)Mac OS Classic(13)macOS(17)Linux(17)Android(17)iOS(17)