Method 1:
Step 1: Go to the website.
Windows 11: https://www.microsoft.com/software-download/windows11
Windows 10: https://www.microsoft.com/en-us/software-download/windows10%20
Step 2: Click Update now and download the installer.
Step 3: Open the installer and click Update now to begin the process.
Step 4: The installer will confirm if your PC can handle the new update, and once you click Next. The update will start to download.
Step 5: Once the download has finished, the PC will start 30 mins countdown to restart to finish the update. You can click Restart now.
Step 6: After restarting the update is finished.
Method 2:
Windows 11: Click Start button > Settings > Windows Update. To check for Windows updates.
Windows 10: Click Start button, and then go to Settings > Update & Security > Windows Update. To check for Windows updates.