Now is the era of passwords, QQ, MSN, email, system, RAR, ZIP, Word, Excel, online banking, forum passwords, etc. Passwords are everywhere and give us more security. But it gives us the necessary security, and once the password is lost or stolen, it will bring us a lot of trouble. For this reason, it is necessary for us to update some commonly used passwords regularly so that they can be safe forever! Q: I am using Windows XP. How can I change the user password so that I can't guess? A: Select “My Computer→Control Panel→Administrative Tools→Computer Management”, open the “Computer Management” window, expand “Computer Management (Local)→System Tools→Local Users and Groups→Users”, right click on the right side For your own account, select the "Set Password" command and set the password in the window that opens. If you are a system administrator, you can also change the password of another account. Q: I have saved a lot of contacts on my MSN. If the password is lost, if you re-apply MSN, you will need to re-add contacts one by one, which will bring you a lot of trouble. How to change the password? A: Open the browser, then navigate to http://www.hotmail.com, then enter your MSN username and password, and then click "File → Go → My Email" to open the email page. Then, click the "Options" button in the upper right corner, then click the "Personal" link to open the "Personal Options" page, click "Password" to enter the MSN page login, enter the correct current MSN username and password, then you can Go to the Change Password page and enter the old password and the new password to modify it successfully. Q: There are a lot of important business letters in my mailbox. I am worried that the password is too simple and I will receive the letter from the competitor. How to change the password? A: Generally, the relevant page of the login email provider is modified, taking 126 mailbox as an example. Log in to http://www.126.com, then enter the username and password, then click "Options → Change Password" above, then enter the old password and the new password to modify successfully. If it is a Sina mailbox, after entering, click “Setting Area” to enter the setting area page, click “User Password Setting”, and follow the prompts to complete the password modification step by step. If you use a mailbox set up by the company, you can ask the network administrator, and then log in to the corresponding web page to modify the password of the mailbox. Q: My password is relatively simple (the default is provided by the provider), and I am not a monthly user. I am worried that others will use my account, resulting in cost loss. How to change the password? A: If you need to change the password, you can log in to the ISP homepage and select it. For example, ADSL users in Beijing can log in to http://202.106.46.39:9001/selfadsl/login.Html and click "Customer Password Change". to modify. If you are a user of Beijing Telecom, you can log in to http://www.bjnet.Net.cn, click "Self-service system", and then enter the original username and password. After entering, you can change the password. Stealing someone else's username and password, causing damage. However, if you are a residential broadband, you may have to contact the community property room to change your password. Q: There are quite a few classmates and colleagues on QQ, and there are beautiful MMs? If the password is lost, it will be a big loss. How to change the password? A: After logging in to QQ, click “QQ Menu → Personal Settings”, then click “Network Security”, then select “Change Password”, then enter the current QQ login old password, then enter it twice. Change the new password and click the "OK" button. Q: The users in the forum are symbols of their own identity. If the password is stolen, others may post messages that are against you. How to change its password? A: The modification of the forum password is basically similar to the modification of the email password. First log in with the correct password, then enter the “Data” link, enter the “User Profile” page, and then enter the new password. Q: I will put some important content in the Word file, I don't want others to see it, how to change its password? A: Open the Word file, enter the password, and then select the "Tools → Options" command to open the "Options" window. Click the "Security" tab, enter the new password for opening permissions in the "Open Permission Password" text box, and enter the new password for modifying the file permissions in "Modify Permission Password" and press the "OK" button. If you use WPS Office, just select "File Encryption → Password" under the "File" menu, enter the password twice in the window that opens, and press the "OK" button. Q: The password is too much, it is very difficult to remember. What kind of password is a good and safe password? A: The most secure password is a combination of completely irregular letters, numbers, symbols, special characters, etc., and the length is not short, at least 6 or more. Do not use the user name itself, various combinations of user names, common numbers, common English words, birthday, spouse name, child name, phone number, ID number, work permit number, car number, car license number, street name of residence Wait for the password. For the master, when you enter, you only need to glance at it, you can basically lock the general guess range, so a good password is best not to be very continuous, even if you hold Shift, press 1234 is better than press 1938. !