Win8 Consumer Preview How to enter safe mode

After installing Windows8 Consumer Preview, is it trouble to enter F8 or shift+F8 for safe mode? You can easily do this by reading the following graphic tutorial steps.
The operation steps are as follows:
1. Add security mode to enter the boot item. Everyone may know that the Magic's optimization setup master can add the boot entry. Unfortunately, the prompt cannot be used. How to do?

2. Find the Rubik's Cube directory TweakCube3WinMaster.exe, this is the master of optimization settings. Right click as shown below and then double click to use, can it be opened?

3. Follow the instructions below to add security mode to enter the boot entry.

4.Win+R, enter msconfig. As shown below

5. As shown in the figure below, select the security mode and check the red box.

6.Win+i, restart the computer. Betta fish is out.

7. Finally saw a friendly blue selection interface, the default has 30 seconds of selection time. After clicking on the security mode, it will automatically restart again. After seeing the Betta fish, it will enter the login interface.

8. Enter the password

,
9. Officially entered the security mode.

10. Come back to the map

11. In the safe mode, you can use Metro.

It’s all over here, is it super simple? It’s much easier to go into safe mode later.
The following is the supplementary content:
Before entering the system selection interface, click the button below to enter the following picture.

You can change the waiting time by 5 minutes, 30 seconds, and 5 seconds.

You can also change the default system.

“Choose other options” After entering, select “Troubleshooting&<<>

This will restore the computer and initialize it.

Enter advanced options