HOW TO UPDATE G.A.M.M.A. with G.A.M.M.A. Launcher 8.6

Full big patch

If your G.A.M.M.A. install is already working and you want to download a big patch:

Make sure you have the latest launcher: https://discord.com/channels/912320241713958912/1502346364258881657
Always check #📢announcements first, because you'll probably find instructions on what to do exactly and how
Open your G.A.M.M.A Launcher 8.6.
Unless stated differently in #📢announcements , DON'T enable or disable anything, the launcher starts with 4 checkboxes already ticked
Click "Install/Update"
Wait for the installer to do its job
When it's done, top indicators should say "up to date"
Click Play

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If your G.A.M.M.A. install is already working and you ONLY want to get the latest updates/hotfixes:

Make sure you have the latest launcher: https://discord.com/channels/912320241713958912/1502346364258881657
Open your G.A.M.M.A Launcher 8.6.
Make sure that "Force zip extraction" is OFF / unticked.
Make sure that "Force github download" is OFF / unticked.
You can also disable MD5 hash check option if you are certain that all your mod archives are well and intact. Having the three options OFF / Unticked will make the launcher blazing fast, but it will only get the GAMMA updates, not the individual mods updates.
Click "Install/Update"
Wait for the installer to do its job
When it's done, top indicators should say "up to date"
Click Play

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Download the new launcher from this link: https://discord.com/channels/912320241713958912/1502346364258881657
Move the G.A.M.M.A Launcher.exe and the resources folder to [Your G.A.M.M.A. folder]/.Grok's Modpack Installer folder
Delete the G.A.M.M.A. installer.exe, in case you still have it
Launch the G.A.M.M.A. Launcher.exe you just moved with admin rights
Click "Install/Update G.A.M.M.A."
Wait for the installer to do its job
When it's done, top indicators should say "up to date"