League of Legends is a world popular game, but the slow download speed can easily drive you crazy. Don’t worry, you’re not alone. Fortunately, there are some ways to improve the slow downloads.


Stop ISP Throttling with One Click

Before you try the following fixes, you need to make sure this slow speed issue only happened on League of Legends, which means it’s nothing to do with your internet speed. Otherwise, you may need to check your internet connection first.

Try these fixes:

You don’t have to try them all; just work your way down the list until you find the one that works for you.

1. Launch as administrator

2. Turn off Windows Firewall

3. Manually install .NET framework 3.5

Bonus: Update your drivers

Method 1: Launch as administrator

The privilege issue and compatibility mode might be the reason for this problem. With high integrity access, League of Legends can make full use of its features, running its function properly. So run it as an administrator to see if this fixes the slow download issue.

  1. Press Ctrl + Shift + Esc key together on your keyboard to open the Task Manager.
  2. Find League of Legends program. Right-click on it and click Open file location.
  3. In the file, find the LOL Launcher.exe.
  4. Right-click on it and click Run as administrator.

Downloading again to see if it works.

Method 2: Turn off Windows Firewall

Windows Firewall supposes to protect your computer from malware, but sometimes it may cause trouble. It may block some features of League of Legends which result in low speed downloading. So you can try to turn off Windows Firewall to solve the “League of Legends download slow” issue.

  1. Click the Start button, type windows firewall in the search box and press the Enter key to open Windows Defender Firewall.
  2. Click Turn Windows Defender Firewall on or off.
  3. Click Turn off Windows Defender Firewall (not recommended). Then click OK.

Re-download to check.

Note: If it doesn’t work, you must turn on Windows Firewall to protect your computer.
Then move to the next fix.

Method 3: Manually install .NET framework 3.5

.NET Framework is a software that runs on Microsoft Windows. It is one of the key software which League of Legends relies on. If nothing wrong with the game, the issue might be related to Microsoft .NET Framework.

So you can download and install the framework to solve the issue.

Bonus: Update your drivers

Missing or outdated drivers can cause many issues. Updating If you want to have better gaming experience and prevent potential problems, you’re recommended to keep your drivers update to date.

There are two ways you can update your driver: manually and automatically.

Option 1 – Manually– You’ll need some computer skills and patience to update your drivers this way, because you need to find exactly the right the driver online, download it and install it step by step.


Option 2 – Automatically (Recommended)– This is the quickest and easiest option. It’s all done with just a couple of mouse clicks – easy even if you’re a computer newbie.

Option 1 – Download and install the driver manually 

You can download graphics drivers from the manufacturer official website. Search for the model you have and find the correct driver that suits your specific operating system. Then download the driver manually.

Option 2 – Automatically update drivers

If you don’t have time or patience to manually update your network drivers, you can do it automatically with Driver Easy.

Driver Easy will automatically recognize your system and find the correct drivers for it. You don’t need to know exactly what system your computer is running, you don’t need to risk downloading and installing the wrong driver, and you don’t need to worry about making a mistake when installing.

You can update your drivers automatically with either the FREE or the Pro version of Driver Easy. But with the Pro version it takes just 2 clicks (and you get full support and a 30-day money back guarantee):

  1. Download and install Driver Easy.
  2. Run Driver Easy and click the Scan Now button. Driver Easy will then scan your computer and detect any problem drivers.
  3. Click the Update button next to the flagged driver to automatically download the correct version of that driver, then you can manually install it (you can do this with the FREE version). 
    Or click Update All to automatically download and install the correct version of all the drivers that are missing or out of date on your system. (This requires the Pro version which comes with full support and a 30-day money back guarantee. You’ll be prompted to upgrade when you click Update All.)   
Note: If you have any problems while using Driver Easy, feel free to contact our support team at support@drivereasy.com
Be sure to attach the URL of this article if needed for more expedient and efficient guidance.

So there it is – 3 ways to fix League of Legends download slow issue. We hope one of these fixes can help. If you have any questions, feel free to add a comment below and let us know.

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