- Letter:
AllA(24)B(21)C(24)D(13)E(8)F(18)G(22)H(16)I(12)J(5)K(8)L(27)M(23)N(16)O(6)P(16)Q(7)R(12)S(26)More
- Operating System:
AllWindows XP(12)Windows Vista(12)Windows 7(12)Windows 8(12)Windows 10(12)Windows 2000(12)Windows Server 2003(12)Windows Server 2008(12)Windows Server 2012(12)Windows Server 2016(12)macOS(12)Linux(12)Android(12)iOS(12)