- Letter:
AllA(18)B(13)C(15)D(9)E(11)F(47)G(15)H(10)I(10)J(3)K(7)L(8)M(42)N(10)O(3)P(14)R(18)S(16)T(12)More
- Operating System:
AllWindows 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)macOS(11)Linux(11)Android(11)iOS(11)