If your tablet is still running , you can perform a free "Over-The-Air" (OTA) update:
The for the Samsung Galaxy Tab 2 10.1 ended with Android 4.2.2 Jelly Bean . While you can still download this version for free through official device settings or Samsung Kies , any updates beyond this require third-party "Custom ROMs" like LineageOS or Android TV ROMs. Official Update Methods (Up to Android 4.2.2) samsung galaxy tab 2 10.1 software update free download
Go to Settings > About Device > Software Update > Update . If your tablet is still running , you
Install Samsung Kies on a Windows or Mac computer, connect your tablet via USB, and follow the update prompts. Unofficial Updates: Custom ROMs (Android 6.0 - 8.1) Install Samsung Kies on a Windows or Mac
Since official support has ended, many users turn to the XDA Developers community to download newer software versions. These updates are not supported by and require technical steps: YouTube·channel48