<h1>Software:</h1>
<table style="width:100%">
  <tr>
    <th>Download</th>
    <th>Size</th> 
    <th>Notes</th>
  </tr>
  <tr>
    <td><a href="http://ultra64.ca/files/Software/OFFICIAL_N64_DEVELOPER_OS-LIBRARY_IRIX_V2.0I/OFFICIAL_N64_DEVELOPER_OS-LIBRARY_IRIX_V2.0I.iso">Nintendo 64 - Developer OS/Library - IRIX v2.0I</a></td>
    <td>160MB</td> 
    <td><a href="http://ultra64.ca/files/Software/OFFICIAL_N64_DEVELOPER_OS-LIBRARY_IRIX_V2.0I/Readme_first.txt" target="_blank">Readme_first.txt</a></td>
  </tr>
  <tr>
    <td><a href="http://ultra64.ca/files/Software/OFFICIAL_N64_DEVELOPER_OS-LIBRARY_WIN95_V2.0I/OFFICIAL_N64_DEVELOPER_OS-LIBRARY_WIN95_V2.0I.iso">Nintendo 64 - Developer OS/Library - WIN95 v2.0I</a></td>
    <td>93.7MB</td> 
    <td><a href="http://ultra64.ca/files/Software/OFFICIAL_N64_DEVELOPER_OS-LIBRARY_WIN95_V2.0I/Install.txt" target="_blank">Install.txt</a></td>
  </tr>
</table>



<ul>
<h2>Official Software</h2>
 <li><a href="http://ultra64.ca/files/Software/OFFICIAL_N64_DEVELOPER_OS-LIBRARY_IRIX_V2.0I/OFFICIAL_N64_DEVELOPER_OS-LIBRARY_IRIX_V2.0I.iso">Nintendo 64 - Developer OS/Library - IRIX v2.0I</a> (160MB) - <a href="http://ultra64.ca/files/Software/OFFICIAL_N64_DEVELOPER_OS-LIBRARY_IRIX_V2.0I/Readme_first.txt" target="_blank">Readme_first.txt</a></li>
 <li><a href="http://ultra64.ca/files/Software/OFFICIAL_N64_DEVELOPER_OS-LIBRARY_WIN95_V2.0I/OFFICIAL_N64_DEVELOPER_OS-LIBRARY_WIN95_V2.0I.iso">Nintendo 64 - Developer OS/Library - WIN95 v2.0I</a> (93.7MB) - <a href="http://ultra64.ca/files/Software/OFFICIAL_N64_DEVELOPER_OS-LIBRARY_WIN95_V2.0I/Install.txt" target="_blank">Install.txt</a></li>
 <li><a href="http://ultra64.ca/files/Software/OFFICIAL_N64_DEVELOPER_PATCH_NOA9801_ISO/OFFICIAL_N64_DEVELOPER_PATCH_NOA9801.iso">Nintendo 64 - Developer Patch NOA9801</a> (10.9MB) - <a href="http://ultra64.ca/files/Software/OFFICIAL_N64_DEVELOPER_PATCH_NOA9801_ISO/Install.txt" target="_blank">Install.txt</a></li>
 <li><a href="http://ultra64.ca/files/Software/OFFICIAL_N64_NIFF_EDITOR_PC-IRIX_V1.35/OFFICIAL_N64_NIFF_EDITOR_PC-IRIX_V1.35.iso">Nintendo 64 - NIFF Editor - WIN95/IRIX v1.35</a> (4.37MB) - <a href="http://ultra64.ca/files/Software/OFFICIAL_N64_NIFF_EDITOR_PC-IRIX_V1.35/install.txt" target="_blank">install.txt</a></li>
 <li><a href="http://ultra64.ca/files/Software/OFFICIAL_N64_NIFF_NUSYSTEM_V1.0_ISO/OFFICIAL_N64_NIFF_NUSYSTEM_V1.0.iso">Nintendo 64 - NIFF / NuSystem - v1.0</a> (77.4MB) - <a href="http://ultra64.ca/files/Software/OFFICIAL_N64_NIFF_NUSYSTEM_V1.0_ISO/Readme.txt" target="_blank">Readme.txt</a></li>
 <li><a href="http://ultra64.ca/files/Software/OFFICIAL_N64_DEVELOPERS_TOOLKIT_V3.0/OFFICIAL_N64_DEVELOPERS_TOOLKIT_V3.0.iso">Nintendo 64 - Developer Tool Kit - WIN95/IRIX v3.0</a> (48.6MB) - <a href="http://ultra64.ca/files/Software/OFFICIAL_N64_DEVELOPERS_TOOLKIT_V3.0/Install.txt" target="_blank">Install.txt</a></li>
 <li><a href="http://ultra64.ca/files/Software/OFFICIAL_N64_DEVELOPERS_TOOLKIT_V4.1/OFFICIAL_N64_DEVELOPERS_TOOLKIT_V4.1.iso">Nintendo 64 - Developer Tool Kit - v4.1</a> (90.2MB) - <a href="http://ultra64.ca/files/Software/OFFICIAL_N64_DEVELOPERS_TOOLKIT_V4.1/README.TXT" target="_blank">README.TXT</a></li>
 <li><a href="http://ultra64.ca/files/Software/OFFICIAL_N64_DEVELOPERS_TOOLKIT_V5.0/OFFICIAL_N64_DEVELOPERS_TOOLKIT_V5.0.iso">Nintendo 64 - Developer Tool Kit - v5.0</a> (77.8MB) - <a href="http://ultra64.ca/files/Software/OFFICIAL_N64_DEVELOPERS_TOOLKIT_V5.0/README.txt" target="_blank">README.txt</a></li>
 <li><a href="http://ultra64.ca/files/Software/OFFICIAL_N64_OS-PC_V2.0K_ISO/OFFICIAL_N64_OS-PC_V2.0K.iso">Nintendo 64 - OS/PC - v2.0k</a> (73.9MB) - <a href="http://ultra64.ca/files/Software/OFFICIAL_N64_OS-PC_V2.0K_ISO/install.txt" target="_blank">install.txt</a></li>
 <li><a href="http://ultra64.ca/files/Software/OFFICIAL_N64_OS-SGI_V2.0K_ISO/OFFICIAL_N64_OS-SGI_V2.0K.iso">Nintendo 64 - OS/SGI - v2.0k</a> (111MB) - <a href="http://ultra64.ca/files/Software/OFFICIAL_N64_OS-SGI_V2.0K_ISO/relnotes20K.txt" target="_blank">relnotes20K.txt</a></li>
<em>*The offline images were reported to have some corruption and have been removed. These will be re-uploaded once new images have been created.</em>
<h2>Partner-N64</h2>
 <li><a href="http://ultra64.ca/files/SDKs/Partner-N64 - v1.0.zip">Partner-N64 - v1.0.zip</a> (5MB)</li>
 <li><a href="http://ultra64.ca/files/SDKs/Partner-N64 - v1.06.iso">Partner-N64 - Developer Tools and Debugger - v1.06</a> (8.58MB)</li>
<h2>SN Systems</h2>
 <li><a href="http://ultra64.ca/files/SDKs/SN Systems - ProDG - v1.0.0.2.iso">SN Systems - ProDG - v1.0.0.2</a> (50.1MB)</li>
<h2>Other software</h2>
 <li><a href="http://ultra64.ca/files/SDKs/n64dev.zip">n64dev.zip</a> (75.7MB)</li>
 <li><a href="http://ultra64.ca/files/SDKs/n64sdk.7z">n64sdk.7z</a> (79.9MB) - <a href="http://ultra64.ca/files/SDKs/n64sdk-README.txt" target="_blank">README.txt</a></li>
 <li><a href="http://ultra64.ca/files/SDKs/NINTENDO%2064%20SDK%205.0%20(Installer)%20(CD-RIP).7z">NINTENDO 64 SDK 5.0 (Installer) (CD-RIP).7z</a> (269MB)</li>
<em>*Not sure what the differences are. I will try to find out and explain them.</em>
<h2>N64/64DD pre-release Software:</h2>
 <li><a href="http://ultra64.ca/files/Extras/64dd_library.zip">64dd_library.zip</a> (0.8MB)</li>
 <li><a href="http://ultra64.ca/files/Extras/isv970924.zip">isv970924.zip</a> (11.2MB)</li>
 <li><a href="http://ultra64.ca/files/Extras/n64_lib_files_and_debugger_1.0h.zip">n64_lib_files_and_debugger_1.0h.zip</a> (172MB)</li>
 <li><a href="http://ultra64.ca/files/Extras/prerelease_software.zip">prerelease_software.zip</a> (15.9MB)</li>
 <li><a href="http://ultra64.ca/files/Extras/software_for_irix_tape.zip">software_for_irix_tape.zip</a> (28.2MB)</li>
</ul>