Note: If it’s been fewer than 10 days since you upgraded to Windows 10, your previous version of Windows will be listed as a system file you can delete.If you need to free up drive space, you can delete it, but keep in mind that you'll be deleting your Windows.old folder, which contains files that give you the option to go back to your previous version of Windows.

Check the Xbox services, games, and apps for any service outages.

Change the header or footer on the first page, or any other page in the document.

In order to obtain the details of your reward, please go to your Order History and scan through the list of your orders. Look for the reward in question and at the far-right, click the Order Details button to get your redemption code or link.

注意 并非所有控制杆问题都能使用此重新校准工具来解决，包括因正常磨损造成的偏移。 如果你要自行修理控制器，那么在更换控制器的基板和电路板后，应使用此重新校准工具。

Learn how to open MSConfig in Windows 10 using the taskbar search bar and access system configuration.

Notes: If you don't see Go to Microsoft Store on the Activation page, contact your organization's support person.. If you made a substantial hardware changes to your device (such as replacing the motherboard) and you have a valid product key, try to activate Windows by phone.

USB-C overview. With a USB-C connection, you can charge your Windows 11 PC, and you can also connect to other USB Type-C devices such as mobile phones, docking stations, display adapters, and other devices that have a USB-C port.

Need to show status for a simple project schedule with a Gantt chart? Though Excel doesn’t have a predefined Gantt chart type, you can simulate one by customizing a stacked bar chart to show the start and finish dates of tasks, like this:

To activate Windows 10 using an internet connection: As Windows 10 will automatically activate if you are connected to the internet, you can confirm your activation status by selecting Start > Settings > Update & Security > Activation and looking under Windows.. If online activation fails, first try the activation troubleshooting in Activate Windows 10.