can't buy 360 or original xbox games on xbox one or pc site

In order to purchase 360 content with currency on your account, you'll have to make the purchase on a 360 console. The store on the One/website have never been updated to see the Microsoft account balance as a valid payment option for 360 content.

Buy the game on PC again.

Licences on Xbox 360 or One can't be transfered to PC.

Xbox one Disc can't be played on PC usually you need to buy a digital copy of the game to play in a PC Xbox game check this site https://www.xbox.com/en-US/games/xbox-play-anywhere

Hi Dstranger1092, my name is Rodrigo. I'm an Independent Advisor and a member of the Microsoft community and I'd love to assist you today.

I am sorry to hear that.

Is your account from the same Region where you currently live?

Please access the site using an alternative browser or enable your browser's InPrivate mode.

To use InPrivate mode on Microsoft Edge, click the three dots on the top right of the screen and select "New InPrivate Window".

You can also press CTRL+SHIFT+N keys together on your keyboard.

If it still does not work, the best course of action is to contact Support.

Please enter this link: https://support.microsoft.com/home/contact

Then, follow these steps:

Type in your query: "Unable to complete a purchase"

Click on Get Help.

Scroll down the page and click on Contact Support.

Select your "Other Products" and "Billing and payment updates" > Confirm.

Select Chat with support agent > Confirm > Start Chat.

I hope this helps.

Hi, you have to really hunt around for an original Xbox One branded power supply. There are plenty of third party ones on game store sites and Amazon.

You can't buy a power supply for an S or X as they are both internal.