step 1
download java 
http://javadl.sun.com/webapps/download/GetFile/1.6.0_03-b05/windows-i586/jre1.6.0_03-iftw.msi
step2 
go to 
http://ph.mobile.yahoo.com/go/emulator
click image  nokia mobile
notes  Ok(leff)  exit(right) up, down(center)
start reg 
1.do you….?:No, i don’t
2.SKip
3.Sign In
4.yes >>>submit
5.type password >>>submit
6.selec questions>>>>submit
7.birthday >>>submit
8.type verfify code>>>submit
9.completed

1.Increase bandwidth by tweaking QoS in Windows XP Pro
The following tweak applies only to Windows XP Professional edition.
The default system behavior is that all 100% bandwidth is available, however, if there is a running application that indicates to the OS it needs to send high priority/real time data, then as long as it has [...]

1. Trick: Instant Address Book Add - Drag a message onto the Contacts link and you’ll see the icon change to a plus sign which means you can add that contact to your address book in one easy step.
2. Trick: Navigate your inbox the quick way - Ctrl + Shift + Up Arrow or Down [...]

For Yahoo Messenger 8 Final b628:
1. Find the file C:Program Files\Yahoo!\Messenger\Cache\urls.xml
2. Clear its content and save it (as an empty file).
3. Make the file Read Only.
or use tools