In August 2013, Microsoft released a software update that converted all existing point balances into local currency. While physical Microsoft Points cards remained valid for a transitional period, they were eventually replaced by standard or Xbox Gift Cards that carry a direct monetary value (e.g., $10, $25, or $50). Modern Alternatives: Buying Digital Credit
If you are looking to add funds to a Microsoft account today, you do not "buy points" but rather buy digital currency through gift cards: where can you buy microsoft points
To understand where you can buy Microsoft Points today, one must first recognize that "Microsoft Points" as a purchasable currency no longer exist. They were officially phased out in late 2013 in favor of local currency. The Discontinuation of Microsoft Points In August 2013, Microsoft released a software update
Sites like Loaded.com also sell Xbox-specific digital keys. Microsoft Rewards: The New "Points" They were officially phased out in late 2013