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