To change your screen resolution in Windows, follow these steps:

1. Right-click on your desktop and select “Display settings”.
2. Under “Resolution”, you will see a drop-down menu with a list of available resolutions for your display. Select the resolution that you want to use.
3. Windows will now ask you if you want to keep the new resolution. If you’re happy with the new resolution, click on “Keep changes”. If you want to revert back to the previous resolution, click on “Revert”.

Alternatively, you can also change your screen resolution using the Control Panel:

1. Open the Start menu.
2. Click on “Control Panel”.
3. Click on “Appearance and Personalization”.
4. Click on “Display”.
5. Click on “Adjust resolution” in the left-hand pane.
6. Under “Resolution”, you will see a drop-down menu with a list of available resolutions for your display. Select the resolution that you want to use.
7. Windows will now ask you if you want to keep the new resolution. If you’re happy with the new resolution, click on “Keep changes”. If you want to revert back to the previous resolution, click on “Revert”.

That’s it! You have now changed your screen resolution in Windows. Keep in mind that changing the resolution may affect the size and appearance of text and other items on your screen, so you may need to adjust these settings accordingly.