[Newcomers Readme!] How To Install UE4 From The Launcher

after downloading 4.7.1 yesterday around (4 GB) it appears there is an update to 4.7.2 so i pressed update to find it will download another (4 GB) so i pressed pause then cancel the update and now im stuck with 4.7.2 which need to download another 4GB from the start and cant go back to 4.7.1 so i removed it ,lucky i have backed up the engine folder named “4.7” (11 GB) which contain the installed engine , plz help , how can i make the launcher realize the engine is there in the folder , my internet download speed is 120 kb/s so it would be hell for me to re-download again

update:
it can verify the files if is the right version is selected
bad thing 4.7.1 selection disappeared and replaced with 4.7.2 :frowning: