sooooo frustrating!!!! =(

can some please tell me if im doing this right, i restarted my computer the other day and it deleted everything, i just cant remember how to change the buttons in the game. this is what i got, if its wrong can you let me know. Also how do i change them, i thought it was used to be Alt/Tab while in the game go to LOL folder/Config and then paste this into the input.ini file. Once thats done you would exit out of the game give it a sec then restart it and wham bam thank you mama, but ive tried it and nothings happening. can someone help me out please i would appreciate it

[GameEvents] evtEmoteLaugh=[Down Arrow] evtEmoteTaunt=[Up Arrow] evtSelectSelf=[] evtEmoteDance=[Right Arrow] evtPlayerPingOMW=[c] evtPlayerPingRadialDanger=[v] evtPlayerHoldPosition=[] evntPlayerPingCursorDanger=[t] evtScrollLeft=[] evtScrollRight=[] evtUseItem2=[2] evtPlayerStopPosition=[s] evtScrollUp=[] evtUseItem3=[3] evtScrollDown=[] evtUseVisionItem=[4] evtSelfCastItem1=[Alt][1] evtNormalCastItem1= evtPlayerPingMIA=[g] evntPlayerPing=[alt][Button 1] evtPlayerPingComeHere=[h] evtShowCharacterMenu=[] evtSmartCastItem2=[Shift][2] evtSmartCastItem1=[Shift][1] evtSmartPlusSelfCastSpell2= evtSmartPlusSelfCastSpell1=[] evtUseItem1=[Button 3] evtOpenShop=[Num-] evtCameraSnap=[] evtChampionOnly=[] evtCameraLockToggle=[Space] evtOnUIMouse4Pan=[] evtSelectAlly2=[F3] evntPlayerPingDanger=[ctrl][Button 1] evntPlayerPingCursor=[] evtNormalCastSpell2= evtNormalCastSpell3= evtNormalCastSpell1= evtLevelSpell1=[Ctrl][q] evtToggleMinionHealthBars=[] evtCastSpell1=[q] evtSmartCastSpell1=[Shift][q] evtSelfCastSpell1=[Alt][q],[] evtCastSpell2=[w] evtSmartCastSpell2=[Shift][w] evtSelfCastSpell2=[Alt][w],[] evtCastSpell3=[e] evtSmartCastSpell3=[Shift][e] evtSelfCastSpell3=[Alt][e],[] evtCastSpell4=[r] evtSmartCastSpell4=[Shift][r] evtSelfCastSpell4=[Alt][r],[] evtCastAvatarSpell1=[d] evtSmartCastAvatarSpell1=[Shift][d] evtCastAvatarSpell2=[f] evtSmartCastAvatarSpell2=[Shift][f] evtPlayerAttackMove=[a],[x] evtPlayerAttackMoveClick= [Button 1] evtPlayerSelectClick = [Shift][Button 1]

[Quickbinds] evtCastSpell1smart=1 evtCastSpell3smart=1 evtCastSpell4smart=1 evtCastAvatarSpell1smart=1 evtCastAvatarSpell2smart=1 evtUseVisionItemsmart=1 evtUseItem5smart=1 evtUseItem4smart=1 evtUseItem6smart=1 evtUseItem1smart=1 evtUseItem3smart=1 evtUseItem2smart=1 evtCastSpell2smart=1

[HUDEvents]
evtOnUIMouse1 = [Button 1], [Shift][Button 1]
evtOnUIMouse2 = [Button 2]
evntHudMoveableSelect = [Shift][Button 1]