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It's best not to play against the computer at all.
Thanks for the advice, I'll try this template today. I was a bit confused with 8mm6 and Jebus, it's still a bit early for me.
New here? I'm Roha — want a quick tour?
It's best not to play against the computer at all.
shit happens, use "view opponent's turn"
Where does this even exist?

Please tell me, which template is best suited for a beginner to practice skills like building chains, capturing objects, and so on.
And another question: is it effective to play each game for just 1-2-3 weeks (against the computer) purely to learn how to start properly, or is it better to play every scenario to the end?
You don't need a template at all to capture objects; you need armies of different races and the objects themselves. You can draw them yourself in the editor, or use ready-made ones to practice.
There's absolutely no point in playing until the end (killing the AI). Don't pay any attention to its existence. If you start SMC, try to get a secondary skill on the first week, capture available crypts, and scout the territory. On the second week, assemble an army—take the most useful creatures from respawns (consoles, hives)—and go to the treasure zone (rattle the hydras). By the third week, break into Utopia, then crack the GO. Watch your losses to make sure they're acceptable (not like you killed them but ended up with nothing left).
Mass Slow will help a lot in battles against neutrals, so Earth is mandatory.
Logistics allows the hero to move further (especially when speed-boosted, meaning the speed of the slowest creature in the hero's army should ideally be no less than 11). A mandatory skill.
Remember: capturing the first Hive is hard, but after two, it gets much easier.
Guys, can you tell me how to play online fairly while still being able to save? If possible, can I load a saved game myself after disconnecting and see everything that happened? Does this mean I always have to sit down and play until the end?
1. How do you create a password-protected save file?
2. Is a mod required for this?
3. Even if there are passwords, we will know them anyway!?)
Situation: we are playing online, two of us. I save the game, set a password, and that's it. Then, I enter the online game, choose to play on one computer, and load this save, entering my password! I see everything I need, and when we load the game later, I have a cheating advantage! I don't understand how to avoid this.
Guys, can you help me? My friend and I installed a mod and launched it with HD+. The random map generator, as always, created a map without Dungeon and without water. The map started, and each of us has 8 Castles, you just walk and there's a Castle at every step! It's ridiculous! Can you tell me if new templates appeared when launching the mod, or maybe it's because of HD+?

And here are two more questions on this topic:
Can one template be used for different map sizes?
Can I delete templates that I don't like, and how?