# Running a Windows NT 4.0 VM in Virtualbox

1. Download Microsoft Windows NT 6 Download
2. Extract the Windows NT 4 files
3. Launch Virtualbox
4. Create a New VM by selecting Machine > New

   Name: Windows NT 4
   Machine Folder: C:\VMs
   Type: Microsoft Windows
   Version: Windows NT 4
   Memory Size: 256 MB
   Hard disk: Create a virtual hard disk now

5. Click Create
6. On the Create Virtual Hard Disk dialog

   Name the virtual disk image Windows NT 4.vdi
   File size: 1024 MB
   Hard disk file type: VDI
   Storage on physical hard disk: Dynamically Allocated

7. Click Create
8. Select the VM and Click Settings
9. Select System > Acceleration
10. Uncheck Enable Nested Paging
11. Uncheck Enable VT-x/AMD-V
12. Select Storage
13. Click on the CD-ROM drive
14. Select the disc dropdown to the right > Choose a virtual optical disc file...
15. Browse to the extracted Windows NT 4 files and select the .iso file
16. Click OK
17. Make sure the Windows NT VM is selected and click Start > Normal
18. Press Enter to setup Windows NT
19. Press Enter to continue
20. Press C to continue
21. Page Down until you can press F8 to agree to the Licensing Agreement
22. Press Enter to accept no changes
23. Press Enter to install to the Unpartitioned space
24. Select the 2nd option to partition using the NTFS file system > Press Enter
25. Press Enter a few more times for good measure
26. When prompted, remove the CD by selecting Devices > Option Drives > Remove disk from virtual drive
27. Press Enter to restart the VM
28. After rebooting a few times you will be prompted to reinsert the CD-ROM
29. Devices > Option Drives > Choose disk image
30. Navigate back to the downloaded Windows NT 4 .iso file
31. Click Open
32. Click OK inside the VM
33. Follow the default prompts and then enter a name and organization > Click Next
34. Give the computer a name > Click Next
35. Type an administrator password > Re-type to confirm > Click Next
36. Select No, do not create an emergency repair disk > Click Next
37. Click Next
38. Select Wired to the Network > Click Next
39. Click the Find button and then Next, Next, Next, Continue
40. Click Yes to use DHCP
41. Click Next, Next, Finish
42. Set the date/time and time zone and click close
43. Wait for the files to copy and Windows 95 to complete initializing
44. Select a timezone > Click OK
45. Remove the CD by selecting Devices > Option Drives > Remove
46. Click the Restart Computer button
47. Select Input > Keyboard > Insert Ctrl-Alt-Del
48. Enter the administrator password created earlier and click OK to login
49. Welcome back to Windows NT 4
50. Revel in the nostalgia

## Optional Steps

1. Select Devices > Insert Guest Additions CD image...
2. If VirtualBox Guest Additions doesn't autorun, open My Computer > CD Drive > Double click VBoxWindowsAdditions-x86.exe
3. Install Guest Additions accepting the defaults
4. Accept any driver popups from the Guest Additions installer by clicking the Continue Anyway button
5. After the installation completes select Reboot now > Click Finish
6. Upon rebooting, you can now full screen the VM and the internal resolution will automatically change to match the window size
7. Download i12bretro Windows SP.iso Download
8. Select Devices > Optical Drives > Select disk image...
9. Navigate to and select i12bretro_Windows_SP.iso
10. If the VM doesn't autorun, open My Computer > CD Drive
11. Open the Windows NT folder > Double click Windows NT 4.0 SP6.exe
12. Follow the dialogs to install Service Pack 6
13. Click Finish to reboot and complete the SP6 install