Yes. SKlauncher makes it easy to install OptiFine (for shaders) and mod loaders like Forge and Fabric directly through the version installation menu.
SKLauncher is a functional tool for those who cannot or do not wish to purchase Minecraft. However, downloading it requires caution—always use the official website, keep your real passwords away from it, and understand the legal grey area you're entering. If you enjoy the game, consider supporting the developers by buying an official copy. sklauncher download