If your Gtalk and Firefox cannot show you Myanmar Font, now you have come to the right place. Just follow this simple steps.
1. Click here to download Zawgyi font:

*Choose Save File radio button
*Click OK
*Your file will be downloaded and save it in download folder.
2. Look for the zawgyi-keyboard.zip file in download  folder.
*Right-Click on the zip file and Extract it. It should be look like this.

3. Double on the folder and open it. You will see the file like follows;

4. Double Click on the Setup file. Then, follow the steps until the end.
5. If you cannot see Myanmar Font on Gtalk....
*Click on Setting--->Change Font

* In the font box, please choose Zawgyi-One, than click OK.
6. If you don't have Zawgyi-One font download here.
* double on it and install.
*you can now see Myanmar font on your Gtalk.