Lightroom not working

[Daren21801212yfl2]

Hello am out here pulling hair. I have used lightroom 5 for years editing photos from school till this morning on a pc tower using windows 10 i have never had a account or what i know of all i have is a serial number so i have just got a brand new macbook pro today and was trying to download light room and i cant find no links to LR5 and i had to creat a account and it is says the serial number is invailed but i have been using lightroom for years. Any help

[dj_paige]

You can't install LR 5 on a new Mac Book. You would have to subscribe to Lightroom Classic to continue to use your Lightroom 5 catalog. Plus you get all the new features added since LR 5.