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Open the HiTool.
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Select ¡¾Tool¡¿> ¡¾Tool Manager¡¿ in the HiTool menu bar.
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Select the tool needed to be upgraded, for example RegisterTool, clicking ¡¾Upgrade/Degrade¡¿ will open the Upgrade/Degrade window. As shown in Figure 4-4-1
Figure 4-4-1 Tools and demotioneing run interface

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Select a package to upgrade, the HiTool will check if it is a valid package or not, As shown in Figure 4-4-2.
Figure 4-4-2 Install the upgrade package validity check

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Click the button Upgrade to start the upgrade process.After that, the system will prompt you to restart the HiTool in order to apply the change. If you do not restart the HiTool after upgrade process, the unknown error may be happened on the tool upgraded in the future, As shown in Figure 4-4-3.
Figure 4-4-3 Restart the HiTool platform dialog box

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Select the tool needed to be degraded, for example RegisterTool, clicking ¡¾Upgrade/Degrade¡¿ to open the Upgrade/Degrade window.
Then select a package to degrade, the HiTool will check if it is a valid package or not.
If the version of the current tool is higher than the package degraded, then the degrade process can be executed. As shown in Figure 4-4-4.
Figure 4-4-4 Install downgraded packet validity check

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Click the button Degrade to start the degrade process. After that, the system will prompt you to restart the HiTool in order to apply the change.
If you do not restart the HiTool after degrading process, the unknown error may be happened on the tool degraded in the future.