How to Upgrade to Linux Mint 21 [Step by Step Tutorial]
A step-by-step screenshot guide demonstrating how to upgrade to Linux Mint 21 from Mint 20. It also has steps for upgrading to Mint 20 from the Mint 19 version.
Source: It's FOSS
A step-by-step screenshot guide demonstrating how to upgrade to Linux Mint 21 from Mint 20. It also has steps for upgrading to Mint 20 from the Mint 19 version.
Source: It's FOSS