- Letter:
AllA(26)B(22)C(25)D(14)E(9)F(54)G(22)H(17)I(12)J(5)K(10)L(13)M(41)N(17)O(9)P(17)R(13)S(28)T(24)More
- Operating System:
AllWindows XP(13)Windows Vista(13)Windows 7(13)Windows 8(13)Windows 10(13)Windows 2000(13)Windows Server 2003(13)Windows Server 2008(13)Windows Server 2012(13)Windows Server 2016(13)macOS(13)Linux(13)Android(12)iOS(13)