Xbox

Documentary

Power On: The Story of Xbox is official high production value documentary by Microsoft that covers history of Xbox from early "DirectX box" prototypes up to release of Xbox Series (2020).

Controller compatibility

Xbox (original) controllers are compatible only with corresponding console version.

Xbox 360 controllers are compatible with corresponding console version, and Windows Vista and later. Windows XP is supported with official driver by Microsoft.

Xbox One controllers are compatible with Xbox One and Xbox Series consoles, and Windows 8.1 and later. Windows 7 and Windows 8.0 are supported with official driver by Microsoft.

Xbox Series controllers are compatible with Xbox One and Xbox Series consoles, and Windows 10 and later.

Buying digital games in unsupported regions

Unlike PlayStation, region lock is trivial to bypass. I have my Xbox Account location set to Latvia (which is "unsupported" on Console), with latvian credit card set as main payment method, but on my Console region is set to Poland - i was able to purchase DLC content in PLN currency with no extra steps required.

Xbox 360 dashboard

When playing Xbox 360 games on Xbox Series or Xbox One, pressing View and Menu buttons simultaneously will present Xbox 360 dashboard, which is necessary in some games to select Xbox Live account.