It changes the way how the game works (applies custom patches) so you don't have to run any 3rd part application in the background. Just patch once and it will work all the time (you can restore backup if you want) - you have to patch every game update.

• ZoomHack (max) (removes zoom out limit)
• ZoomHack (min) (removes zoom in limit)
• OOM (removes camera X+Y position limits)
• FOV Changer (increases default field of view)
• TOP View (places the camera centrally above the champion)

1. Close the game (if running)
2. Launch patcher
3. Select features to apply
4. Click PATCH button

>> Video tutorial

1. Close the game (if running)
2. Hold left shift button
3. Launch patcher (wait for popup)
4. Release left shift button
5. Select PBE folder
6. Select feature to apply
7. Click PATCH button

1. Click Windows + R
2. Type %appdata% and press enter
3. Search for Patcher2 directory and open it
4. Now you should see log.txt file

1. If it's the folder selection popup you should locate and select your League of Legends folder
2. If it's "failed to locate" popup you should read How to patch PBE client and select League of Legends folder manually