- 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(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)