Move NFT to different collection in Opensea

Move NFT to different collection in Opensea by Logging in then go to your profile, this is where you can see all your nft's. Select on one of your NFT's by clicking on the 3 dots (More Options) then click change collection. Doing this gives the nft a blue tick, you then can procced to add blue ticks to all the nft's you want to move.

Then just click the change collection button and select the new collection you want to move them to.