- Letter:
AllA(31)B(16)C(18)D(22)E(10)F(39)G(10)H(12)I(10)J(4)K(6)L(9)M(33)N(13)O(7)P(13)R(10)S(20)T(24)More
- Operating System:
AllWindows XP(6)Windows Vista(6)Windows 7(6)Windows 8(6)Windows 10(6)Windows 2000(6)Windows Server 2003(6)Windows Server 2008(6)Windows Server 2012(6)Windows Server 2016(6)macOS(6)Linux(6)Android(6)iOS(6)