Rather than including all of the mods in the zip folder, it has a file to tell the launcher which mods to install from the website. It significantly cuts down on the sharable modpack file size. If you want to manually install a modpack, you will have to manually install the correct version of almost every mod in the pack.Visit the website where you found the mod and navigate to the mod’s download page. Look for the download button or link associated with the mod. It is usually labeled as “Download” or “Download Mod”. Click on the download button or link to initiate the download process. Wait for the version list to load and then select the version to install (The starred version is recommended) Adding mods. Select an instance, Edit Instance, Loader Mods tab or Core Mods tab (pre-1.6 only) Add and select the mod(s) to add from your computer; What next? Check out the sidebar to the right, or go to Tips and Tricks.
Also, in the mods folder in %appdata% \ .minecraft directory, it's best practice to divide the mods according to the mod loader if you're using 2 or more. If you're asking why, easy identification. There's an option in the Minecraft instance settings in the Minecraft Launcher that lets you specify a mod folder directory, so you can use that.
2. MultiMC. Next is a highly popular, open-source, and top free Minecraft launcher called MultiMC. Created by Petr Mrázek, it allows you to manage multiple isolated Minecraft instances, see all the details like mods, logs, etc. easily, effortlessly control runtimes and Java settings, and get the following exciting features.
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