1, open the Control Panel, the view mode to switch to "large icon", and then open the "management tool";
2, open "Task Scheduler";
3, in the Task Scheduler window, click the menu "Action"-"Create basic Tasks";
4, for the task to fill in the name and description, and then click Next;
5, in the trigger select "Current User login," and then click Next;
6, select "Start the program" in the operation, click Next (then put these aside temporarily, carry on another work);
7. Create a new text file and write the following to a text file (note that the section in the third line of quotation marks is the path to the music file you want to turn on, must be a WAV type), and then change the extension of the text file to. vbs;
8, now back to the scheduled task, in the "program or script" click the browse button, select the VBS file just created, and then add the parameters there to fill in your WAV music file path (note to enclose double quotes), click Next;
9, check the "Click Finish, open the dialog box for this task properties", and then click Finish;
10. In the configuration of the General tab of the Properties window, switch to Windows 8.1;
11, then click the "Conditions" tab, remove all the check to ensure that any time you can hear the boot music;
12, the last switch to the "Settings" tab, check "if the planned start time, immediately start the task," and then click OK;
13, now, reboot the system, you can hear your designated boot music.
Through the above steps to set up, we can quickly change the win8.1 system boot sound, interested users, may wish to set up a look.