How to Fix Diablo IV Slow Download Issue on

Diablo IV

Diablo IV is an eagerly awaited game that has captured the attention of gamers worldwide. However, some users have reported experiencing slow download speeds when trying to install the game via This article aims to provide a step-by-step guide on how to fix the Diablo IV slow download issue, along with an exploration of possible causes and additional tips to enhance the download process.

Possible Causes of Slow Download

Before delving into the solutions, it’s important to understand the potential causes of a slow Diablo IV download. Several factors can contribute to this issue:

  1. Internet Connection: Insufficient bandwidth or a weak Wi-Fi signal can hamper download speeds.
  2. Background Programs: Other running programs consuming network resources may reduce download speed.
  3. Cache: Accumulated cache files within the client can impact performance.
  4. Firewall and Antivirus Settings: Overly strict firewall or antivirus settings might interfere with the download process.
  5. DNS Settings: Incorrect or slow DNS server settings can affect download speeds.

Now, let’s explore the step-by-step guide to address the Diablo IV slow download issue.

Step 1: Check Your Internet Connection

Ensure that you have a stable and reliable internet connection. Connect your device to a network with sufficient bandwidth or consider upgrading your internet plan if necessary.

Step 2: Close Unnecessary Programs

Close any unnecessary programs and applications running in the background. These programs consume network resources and can slow down your download speed.

Step 3: Pause and Resume the Download

Pause the Diablo IV download within the client and then resume it. This simple action can sometimes help improve the download speed.

Step 4: Clear the Cache

Clearing the cache can resolve various client-related issues. To do this, follow these steps:

  1. Close the client.
  2. Navigate to the installation folder.
  3. Locate the “Cache” folder and delete its contents.
  4. Restart the client and resume the Diablo IV download.

Step 5: Adjust the Download Speed allows you to adjust the download speed manually. Lowering the download speed might prevent network congestion and improve overall download performance. Follow these steps:

  1. Open the client.
  2. Go to “Settings” and click on “Game Install/Update” tab.
  3. Under “Download Speed,” select a lower value from the drop-down menu.

Step 6: Disable Background Applications

Disable or temporarily close any applications or services running in the background that may be consuming bandwidth. This includes file-sharing programs, streaming services, and cloud backup applications.

Step 7: Check Firewall and Antivirus Settings

Make sure that your firewall and antivirus settings are not blocking the client or the Diablo IV download. Temporarily disable them or add exceptions for to ensure uninterrupted download progress.

Step 8: Use a Wired Connection

If you’re using a Wi-Fi connection, consider switching to a wired connection. Wired connections generally provide more stable and faster download speeds compared to wireless connections.

Step 9: Change DNS Settings

Incorrect or slow DNS server settings can affect your download speed. Changing your DNS server to a faster and more reliable one can potentially enhance your download experience. Consult your internet service provider or follow the below steps to change DNS settings.

  1. Open the Network Settings on your device. The method for accessing network settings may vary depending on your operating system (Windows, macOS, Linux) or device (PC, laptop, smartphone, tablet).
  2. Look for the option to change DNS settings. It is usually located under the network connection settings or advanced network settings.
  3. Select the network connection for which you want to change the DNS settings (e.g., Wi-Fi or Ethernet).
  4. Choose the option to manually set the DNS server addresses.
  5. Replace the existing DNS server addresses with faster and more reliable ones. You can use public DNS servers such as Google DNS ( and or Cloudflare DNS ( and
  6. Save the changes and exit the network settings.
  7. Restart your device or restart the network connection to apply the new DNS settings.
  8. Once your device is back online, launch the client and resume the Diablo IV download. The new DNS settings should help improve the download speed.

Remember, the steps may vary slightly depending on your specific device and operating system. It’s always a good idea to consult the documentation or support resources provided by your device manufacturer or operating system developer for more accurate instructions based on your setup.

Step 10: Contact Blizzard Support

If none of the previous steps have resolved the slow download issue, it is advisable to reach out to Blizzard Support for further assistance. They can provide personalized guidance and troubleshoot any specific problems you might be facing.


By following the step-by-step guide provided above, you can troubleshoot and resolve the Diablo IV slow download issue on Remember to check your internet connection, close unnecessary programs, clear the cache, adjust download speeds, disable background applications, review firewall and antivirus settings, consider using a wired connection, and evaluate DNS settings. Should the issue persist, Blizzard Support is available to help you overcome any obstacles during the download process.


Q1: Why is my Diablo IV download taking so long?

A1: Several factors can contribute to slow download speeds, including insufficient bandwidth, background programs, or issues with your network configuration. Follow the guide mentioned above to troubleshoot the problem.

Q2: Will using a VPN speed up the download?

A2: While using a VPN can sometimes improve download speeds, it depends on various factors such as server locations and network congestion. It’s worth trying different VPN servers to see if it improves your download speed.

Q3: Are there any alternative download sources for Diablo IV?

A3: No, the official client is the recommended and official source for downloading Diablo IV. Avoid unofficial sources to ensure the security and integrity of the game files.

Q4: Can I download Diablo IV on multiple devices simultaneously?

A4: Yes, you can install the client on multiple devices and use your account to download Diablo IV simultaneously. However, keep in mind that network bandwidth will be shared among the devices, which may affect the overall download speed.

Q5: What can I do if none of the solutions work?

A5: If none of the provided solutions work, it is recommended to contact Blizzard Support. They have dedicated teams that can assist you in resolving any specific issues you may encounter during the download process.