- Letter:
AllA(16)B(29)C(11)D(6)E(7)F(41)G(19)H(9)I(5)J(2)K(5)L(6)M(50)N(13)O(3)P(32)Q(6)R(5)S(54)More
- Operating System:
AllWindows 95(8)Windows 98(8)Windows Me(8)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(8)macOS(11)Linux(11)Android(11)iOS(11)