Microsoft Office 2000 is not certified to work with Windows 8. You might want to consider upgrading to a more recent release such as Office 2010 or a free third party suite such as OpenOffice or LibreOffice.
Also, you can download trial of Office 2010:
Trial license:
http://office.microsoft.com/en-us/try/
Full license:
http://support.microsoft.com/kb/823570
Get Key;
http://office.microsoft.com/en-us/buy/redir/XT101874326.aspx?CTT=5&origin=HA101847520
Also:
You can try reinstalling Microsoft Office 2000 in compatibility mode:
To run the Program Compatibility Troubleshooter
-
Tap
or click to open the Program Compatibility Troubleshooter.
- Follow the instructions in the troubleshooter.

Tip
You can also open the Program Compatibility Troubleshooter by pressing and holding or right-clicking a program's icon or shortcut on your desktop, and then tapping or clicking
Troubleshoot compatibility.
To
change compatibility settings manually
- Press and hold or right-click the program icon on your desktop, tap or click
Properties, and then tap or click the
Compatibility tab.
- Select one or more settings described in the following table.
| Compatibility mode |
Runs the program using settings from a previous version of <br>Windows. Try this setting if you know the program is designed for (or worked in) a specific previous version of<br>Windows. |
|
|
Run in reduced color mode |
Uses a limited set of colors in the program. Some older programs are designed to use fewer colors. |
|
Run in 640 × 480 screen resolution |
Runs the program in a smaller-sized window. Try this setting if the graphics for the program appear jagged or are rendered improperly. |
|
Disable display scaling on high DPI settings |
Turns off automatic resizing of programs if large-scale font size is used. Try this setting if large-scale fonts are interfering with the appearance of the program.<br> |
|
Privilege level |
Runs the program as an administrator. Some programs require administrator privileges to run properly. If you aren't signed in to your PC as an administrator, this option is unavailable. |
|
Change settings for all users |
Lets you choose settings that will apply to all users on this computer.<br> |