THE NEW LAUNCHER!! IS BAD FOR ME!

I was this morning planning to record a video to YT and I start it and it appears a big page on white and I ask some friends and they send me screenshots of the same page but theyre pictures wasnt white it was the play and all stuff... And i knew that was a new launcher! I dont know what to do.. Pls answer me fast! I need to upload videos Thanks for seein this
-Endy