@MojangSupport I'm having problems migrating my old account and getting a new download of Minecraft. I purchased somewhere back in the 2011-2013 range, and I have no idea how I can fix this. I don't know exactly when, but I know my old Email(probably), Username, and Password.
Please send us an email at https://help.minecraft.net/hc/en-us/requests/new … and we will assist. Remember to attach your Transaction ID. ^SM