Patience is the only tool you need for a chainsaw chain swap.
Yes, you can do it without bending drive links or gouging the bar — just don’t rush.
The two mistakes that cause damage are forcing a mismatched chain and installing it while the tension is too tight. First, make sure the chain’s pitch and gauge match your bar. If the numbers on the box don’t line up with the old chain, stop. Second, loosen the tension adjuster all the way before you try to fit the new chain. The chain should sit loose enough that you can slide the drive links into the bar groove by hand.
Work from the top of the bar down. Start at the nose, seating the drive links in the groove, then pull the rest of the chain around the sprocket at the rear. If it doesn’t slide in easily, you have the wrong chain or the tension is still too tight — don’t force it. Bent drive links ruin the chain before you even start it.
A little lube on the bar groove helps, but not much. Just take your time, spin the chain by hand after it’s on to make sure everything tracks straight, then tighten to the right tension.
A bent drive link is a new chain. Go slow and you’ll be fine.