- Letter:
AllA(17)B(15)C(17)D(9)E(6)F(13)G(9)H(11)J(4)K(6)L(9)M(17)N(12)O(4)P(12)R(9)S(19)T(14)U(4)More
- Range Of Character Number:
All0-100(65)101-200(85)201-500(189)501-1000(39)1001-2000(9)2001-5000(12)5001-10000(12)10001-20000(6)20001-50000(7)
- Operating System:
AllWindows 95(12)Windows 98(12)Windows Me(12)Windows XP(16)Windows Vista(16)Windows 7(16)Windows 8(16)Windows 10(16)Windows 2000(16)Windows Server 2003(16)Windows Server 2008(16)Windows Server 2012(16)Windows Server 2016(16)Mac OS Classic(12)macOS(16)Linux(16)Android(15)iOS(16)