Following are step-by-step instructions to determine the version of Windows 95 on your system.
Double-click the My Computer icon on your Windows 95 desktop.
Double-click the Control Panel icon in your My Computer window.
Double-click System. Click the General tab to show general system information, including the Windows 95 version. The table below summarizes the versions that have been released to date.
| 4.00.950 | OSR1 |
| 4.00.950 A | OSR2 |
| 4.00.950 B | OSR2.1 (USB (Universal Serial Bus) Supplement) |