Windows 10: Do I have to rebuy minecraft on pc

So I bought Minecraft on mobile for a pc version and it let me I bought it I signed in on my laptop and then boom it keeps saying buy minecraft buy minecraft and It doesnt really let me play minecraft on pc All I wanted to do was play hypixel but no I cant play cause of it saying buy minecraft I got the account rn but ITS NOT LETTING ME PLAY so how can I play minecraft on pc nowPLEASE HELP

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do i have to rebuy

i on Minecraft on my ps4 and i want to play it on my pc without rebuying it do i have to rebuy

 

Minecraft is telling me to rebuy it on PC

I brought minecraft some time last year, officially for my own account instead of borrowing my sisters exs account (he let me since hey were dating at the time. But I did end up uninstalling it for storage since I was a big Genshin impact player. I do want to replay minecraft but it tells me that I have to rebuy it, when i download the launcher i can only play the demo and when i use a client (lunar) it tells me I have an invalid session and I dont know what to do.

 

Homegroup For Minecraft Servers Or What?

It looks as if the existing minecraft server will use the new system without modification - It needs to be able to access the computers on the network in a two way link, which is the standard for Workgroup and Homegroup

There is a complete step by step available, if you have any issues ...

Tutorials/Setting up a server – Official Minecraft Wiki

It's not something I have any direct experience with but a quick read suggests to me that you will not need to do Much if any reconfiguration of the existing server