About Xbox Live Gold Card (Global)
Kindly refer to The list of countries/regions where the Live service is supported before purchase:
http://www.xbox.com/en-US/live/countries

You can’t stack redeemable codes for Xbox Live Gold membership from games or console bundles.

Regarding Xbox Live Gold 2 days or 14 days trial subscription
Xbox Gold Membership 2-days / 14-days Trial code allows to access to online mutliplayer gaming, but not to other Gold membership features.

At the end of your 2-days / 14-days trial period, your subcription will default to the free Xbox Live Sliver subscription.

Features may change without notice.

Note: ONLY FOR XBOX CONSOLE.

You can't add an Xbox Live Gold trial subscription if you already have an Xbox Live Gold subscription.


About GAMEPASS Ultimate
Xbox Game Pass Ultimate gives you access to over a hundred games for a price. New games are added all the time, so there's always something new to play together with friends and discover your next favorite game! Three different Game Pass Ultimate is available here as per the list:

Xbox Game Pass Ultimate 14 Days Trial Xbox ONE (only for NEW Account)
Xbox Game Pass Ultimate 1 Month (Global)
Xbox Game Pass Ultimate 3 Months (Global)
NOTE: Xbox Game Pass Ultimate 14 Days Trial product will not work in an account where you have previously activated a Game Pass.

Includes:

Xbox Live Subscription 14 Days
Xbox Game Pass 14 Days
Xbox Game Pass for PC 14 Days

About the 1 Month GAMEPASS
Note : This product will not work in an account where you have previously activated a Game Pass.

Enjoy unlimited access to over one hundred great Xbox One and Xbox 360 titles.

Xbox Live Gold Membership Overview
With an Xbox LIVE Gold membership, take your Xbox 360 online to play Kinect and controller games with friends wherever they are. Instantly watch HD movies, TV shows and sports, and with Kinect, your voice is the remote control. Not sure what to play or watch

Quickly find new movies, songs or games with your voice. Even use your phone or tablet as a second screen to control and interact with what you’re watching. Plus, now you can explore the web on your TV with Internet Explorer for Xbox. Entertainment is more amazing with Xbox.

Xbox Live Gift Card Redemption Guide on PC

On a computer, go to Redeem Code and click Sign In.
Sign in with your Microsoft account.
Click Redeem.
Enter the 25-character prepaid code and click Confirm.

Xbox Live Gift Card Redemption Guide on Xbox One
Go to Games, and then select Use a code. Or, say “Xbox, use code”.
If prompted, sign in.
Select Or enter the 25-character code, and then enter your code.

Xbox Live Gift Card Redemption Guide on Xbox 360
Sign in to Xbox Live using the account for which you want to use the prepaid code.
Press the Guide button on the controller.
Go to Games & Apps and select Redeem Code.
Enter the 25-character prepaid code and select Done.
When prompted, click Yes to confirm the redemption.

Important Note: The 'stacking' of Xbox Live subscriptions is no longer allowed by Microsoft. Users will recieve an error when attempting to add more than one subscription card at a time.

If it gives an error, it is better to set the US country and English (then you can change it back as you need).
The code is not activated until the paid period of GOLD or GAMEPLAY status ends!
The code is better to activate from the console or mobile application! The key is suitable ONLY for newly created accounts (since this is a trial version) and ONLY for downloading free games with Gold status! Account holders will not be able to play online!
Please take this into account, since after the purchase we cannot help you in any way and we do not accept any claims in this regard!
Microsoft is solely responsible for the proper operation of the Xbox Live service.