To install League of Legends on Windows, follow the current owner-supported path below in order. Start with the least destructive checks, preserve account and save data, and verify the result before moving to repair, reinstallation, or support.
1
Start from the official download page
Use the linked League of Legends page and confirm the product name, operating system, and minimum requirements before downloading. Avoid repackaged installers, unofficial mirrors, and search ads; they may be outdated or bundle software that the product owner does not support.
Sign into the account that owns the app or game, then check that the target drive has enough free space for the download, installation, and future updates. Keep the account recovery email available, but never share passwords or verification codes with a download site.
3
Download the supported installer
Choose the installer for the current operating system and save it to the normal Downloads folder. Let the browser or store finish completely. If the owner publishes a checksum or signature, verify it before opening the file.
4
Run the installer normally
Open the downloaded installer or store listing, review the publisher shown by the operating system, and follow its prompts. Keep the default install location unless storage policy requires another drive. Decline unrelated optional software if an unexpected prompt appears.
5
Finish required components
Allow the official launcher to install its supported runtime or anti-cheat component when requested. Restart only if the installer asks. Do not download individual DLL, Java, driver, or anti-cheat files from third-party repair sites to satisfy a missing-component message.
6
Update before first launch
Open the official launcher, select the app or game, and let every update complete before pressing Play. Keep the device awake and the network connected. A paused or partially applied update is a common reason the first launch appears stuck or fails.
7
Verify the completed installation
Launch the app or game, confirm the expected account is signed in, and open the main menu or a safe test session. If installation fails, record the exact code and follow League of Legends's repair path before removing saved data or reinstalling the operating system.
Video walkthrough
If it does not work
If the labels differ, update the app or launcher and compare the current League of Legends guidance before continuing; do not guess at hidden files, registry values, ports, account links, or security controls.
If the problem survives a clean supported test, preserve the exact error, timestamp, platform, account region, and completed steps for the product owner's support team instead of repeating destructive resets.
ⓘ Sources and verification
Checked against official documentation on . Scope: Windows.
Follow the linked first-party guidance if labels differ after a platform or app update.
