1. Launch Steam on your computer.
2. Go to the "Settings" menu by clicking on "Steam" in the top-left corner and selecting "Settings".
3. In the Settings window, select the "Downloads" tab.
4. Scroll down and click on the "Clear Download Cache" button located at the bottom of the window.
5. A confirmation dialog will appear. Select "OK" to confirm and acknowledge that you will need to log in to Steam again.
6. Once the cache is cleared, you can also verify the integrity of game files if you're experiencing issues with a specific game.

• Right-click on the game from within your Steam library.
• Select "Properties" from the dropdown menu.
• In the Properties window, click on the "Local Files" tab.
• Select the option to "Verify Integrity of Game Files".

These steps will help you clear the download cache and, if needed, verify the integrity of game files in Steam. This can be helpful if you encounter download or game-related issues.

Note: These instructions are for Steam on a computer. The steps may vary slightly if you're using Steam on a different platform or device.