Operating systems: Windows '95/'98 and NT4
Required specifications: 486DX/66 MHz or higher processor, For Windows 95/98: 
16 MB (megabytes) of RAM minimum. For Windows NT: 32 MB of RAM minimum.
Hard drive space:Minimal install (browser-only):Required for install: 45 MB
Required to run: 27 MB after restart
Typical install: Required for install: 70 MB, Required to run: 55 MB after restart
Full install: Required for install: 111 MB, Required to run: 80 MB after restart 

Limitation: None