If you want to cancel the password login for Windows 11, there are three methods to choose: 1. Modify the automatic login settings, uncheck "To use this computer, users must enter their username and password", and then restart the automatic login after entering the password; 2. Switch to a passwordless login method, such as PIN, fingerprint or face recognition, configure it in "Settings>Account>Login Options" to improve convenience and security; 3. Delete the account password directly, but there are security risks and may lead to some functions being limited. It is recommended to choose a suitable solution based on actual needs.

There are three main ways to uninstall programs on Windows 11: 1. Uninstall through "Settings", open the "Settings" > "Apps" > "Installed Applications", select the program and click "Uninstall", which is suitable for most users; 2. Use the control panel, search and enter "Control Panel" > "Programs and Functions", right-click the program and select "Uninstall", which is suitable for users who are accustomed to traditional interfaces; 3. Use third-party tools such as RevoUninstaller to clean up more thoroughly, but pay attention to the download source and operation risks, and novices can give priority to using the system's own methods.

To run programs as administrator, you can use Windows' own functions: 1. Right-click the menu to select "Run as administrator", which is suitable for temporary privilege hike scenarios; 2. Create a shortcut and check "Run as administrator" to achieve automatic privilege hike start; 3. Use the task scheduler to configure automated tasks, suitable for running programs that require permissions on a scheduled or background basis, pay attention to setting details such as path changes and permission checks.

The activation method of Windows 11 depends on the system source and is divided into two types: automatic activation of digital licenses and manual input of product keys. 1. If you purchase a computer using a genuine channel or bind a digital license, connect to the network and log in to a Microsoft account, the system will automatically activate. You can check the status in "Settings → System → About → Activation"; 2. If you use a retail version or OEM key, you need to enter the activation page and manually enter the key, and the key must match the system version; 3. If the activation fails, you should check whether the key is reused, whether the network is normal, running the troubleshooting tool, or try to log in to the Microsoft account again, but it still cannot be resolved. You can contact Microsoft customer service.

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The problem of slow booting can be solved by the following methods: 1. Check and disable unnecessary booting programs; 2. Turn off the quick boot function; 3. Update the driver and check disk health; 4. Adjust the number of processor cores (only for advanced users). For Windows 11 systems, first, the default self-start software such as QQ and WeChat are disabled through the task manager to improve the startup speed; if you use dual systems or old hardware, you can enter the power option to turn off the quick boot function; second, use the device manager to update the driver and run the chkdsk command to fix disk errors, and it is recommended to replace the mechanical hard disk with SSD; for multi-core CPU users, the kernel parameters can be adjusted through bcdedit and msconfig to optimize the startup efficiency. Most cases can be corrected by basic investigation

Uninstalling the problematic Windows update can solve the system instability problem. The specific steps are as follows: 1. Find the list of recently installed updates through "Settings" > "Update and Security" > "Windows Update" > "View Update History" and confirm the problem update; 2. Open the control panel, go to "Programs" > "Uninstall Programs" > "View Installed Updates", select the target update and uninstall, and restart it after the operation; 3. If you cannot enter the system, you can boot with the Windows installation USB drive, enter the "Command Prompt" to execute the wusa/uninstall/kb:XXXXXXX command to uninstall the update. Note that cumulative updates may affect multiple patches, and it is recommended to backup in advance