Ok that Torrent must have been corrupted as well (all post-release torrents should also be free of any PW), last try then: where did you get that torrent from? Get your new torrent from Warumdarum.de it's password free and definitely works!
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Panzershreck is best infantry AT weapon in game, no one can argue against that. You shoot it straight at enemy, on ranges of 200m (yes a lot) you can aim one tank height higher. It also kills all allied tanks with first shot, except fro churchill and it kills panther with one hit too
. Only downside is the protection plate that blocks your vision and when shooting at longer range, you have to shoot "blind".
Second best
in my opinion is PIAT. No random deviation, it shoots exactly where you aim it, tricky part being that it can be bit hard on longer range. It doesn't make that much damage, but is so easy to use that if you know how to aim it, you will hit, while on bazooka it might just randomly miss, no matter how good the player is.
Bazooka is sort of aim, fire and pray. No one can calculate where that thing goes. On longer range it must be aimed relatively high, but it can never beat panzershreck on extreme ranges.
Panzerfaust 30 is mostly for "close combat". I always fire it from so close range, that there's no way I could miss. Panzerfaust 60 on the other hand works more like PIAT, hitting always if you just know where to aim. I'm yet to master panzerfaust 60
With all handheld AT weapons, shooting at sides is always most effective. Side of tank is biggest target you can find, also must vulnerable, in german tanks generally even more than rear. Shooting from rear has risk that you projectile will fly vertically, slightly hit engine deck, explode and count as hitting at bad angle, making no damage.