Electronic Arts also offers the same Ultimate Collection bundle on their proprietary platform.
For those who already own the game, the CnCNet Launcher is the standard tool for enabling online multiplayer and fixing resolution bugs. Essential Technical Specs Red Alert 2 Tatah
The most reliable way to acquire the game today is through official digital storefronts. Since original discs often face compatibility issues on modern hardware, digital versions include necessary fixes. Electronic Arts also offers the same Ultimate Collection