- 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(3)Windows 98(3)Windows Me(3)Windows XP(5)Windows Vista(5)Windows 7(5)Windows 8(5)Windows 10(5)Windows 2000(5)Windows Server 2003(5)Windows Server 2008(5)Windows Server 2012(5)Windows Server 2016(5)Mac OS Classic(3)macOS(5)Linux(5)Android(5)iOS(5)