How do I upgrade my Xbox live gold to Game Pass Ultimate?

So... I have the 12 month recurring subscription for Xbox Live Gold (£49.99 per year). I want upgrade to Games Pass Ultimate (£10.99 per month).

My question is do I need to cancel my Xbox live gold sub, and then get ultimate pass. Or will it cancel it automatically?

Hi everyone i have a quick question i have 3 months of Gold will i be upgraded to game pass ?

Hi,

Once you upgraded to Xbox game pass ultimate, your Xbox live gold will be carried over to Xbox game pass ultimate. For example, if you have Xbox live gold for a year and you upgraded it to Xbox game pass ultimate, your Xbox live gold and xbox game pass for
console and PC will also be good for 13 months (12 months Xbox live gold+1 month upgrade Xbox game pass Ultimate). If you cancelled the Xbox game pass ultimate, automatically your Xbox live will also be cancelled since it is already merged to the Ultimate.
You need to contact Xbox Support to reinstate your lost membership.

To contact them, please go to this site:

https://support.xbox.com/en-US/contact-us

Yes. As long as you don't have an active Ultimate subscription, any standard Gold or Game Pass you have will upgrade to Ultimate if you buy an Ultimate subscription.

Thanks for your time and your answer. Do you have any advice on how I should proceed if I wanted to pre-purchase Xbox Live Gold and convert it to Game Pass Ultimate? My current PC Game Pass is set to expire on the 26th and I don't see a way to cancel it.
Should I wait until then to purchase Live Gold or can I do that now?

Thanks again!

i might have a clue on what happened here,

when i go to Services & subscriptions' page, on my microsoft account, below the Xbox Live Gold's subscription section, it says:

Enjoy the benefits of Xbox Game Pass and Xbox Live Gold Upgrade to Xbox Game Pass Ultimate

so maybe my xbox live gold subscription is turned into a Gold + Game pass subscription, but how? I haven't done anything...

If You Get Game Pass Ultimate It Will Convert Your Xbox Live Gold 1 Year Into Game Pass Ultimate For The Remaining Time Left On Your Year Subscription. So For Example If You Have Xbox Live Gold Paid For A Year And You Upgrade To Game Pass Ultimate It Will Convert It To One Year Game Pass Ultimate Or However Many Months You Have Left Of Your Subscription.

(Make Sure It Says Upgrade To Game Pass Ultimate So It Will Convert Your Gold To Game Pass)