- Letter:
AllA(6)C(6)D(12)E(4)F(5)H(4)I(25)J(4)L(3)M(6)N(5)P(4)R(5)S(25)T(23)W(6)X(4)Y(11)Digital(3)More
- Operating System:
AllWindows 95(11)Windows 98(11)Windows Me(11)Windows XP(11)Windows Vista(11)Windows 7(11)Windows 8(11)Windows 10(11)Windows 2000(11)Windows Server 2003(11)Windows Server 2008(11)Windows Server 2012(11)Windows Server 2016(11)Mac OS Classic(11)macOS(11)Linux(11)Android(11)iOS(11)