Windows 95 build 166

4.00.166
Build of Windows 95
OS familyWindows 9x
Version number4.00
Build number166
Architecturex86
Compiled on1994

Windows 95 build 166 is a build of Windows 95 that is mentioned in the Release Notes from builds 180, 189, 216, 222, 224, 225, 263 and 267, along with builds 165 and 170.

PS/2 Mouse
----------
Anyone installing build 166 over 165 on a machine with a PS/2 mouse should
change the line DOS=LOW,UMB in CONFIG.SYS to DOS=HIGH,UMB before
installing. This will fix the problem of not being able to move the
mouse (and probably use the keyboard) during setup.