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1. Click the Start button and in the search box, type Update, then click Windows Update.
2. You will find Check for updates in the left pane, click on it and let Windows look for the latest updates for your PC.
3. You will get a message if any important updates are available. The message may also tell you to review important updates. Click the message and choose the important updates to install.
4. Click Install updates.
5. Next, you need to read and accept the license terms, and then click Finish.
6. If you are asked for an administrator password, type the password.
7. There are some updates that require restarting windows after finishing installation.
If you find any problem, you can consult a Technical Support service provider for getting Windows Support. You can also dial 1.866.515.9918 to talk to a Microsoft certified expert.