For 5e, you might get some mileage out of creating pseudo-pregens at the level you're interested in for each Class and Archetype, something where you've boiled down to a list of what they need to know for that character type and placed it in the bio section or somewhere easily referenced: 6th Level Ranger -- Hunter Archetype
Choices:
• Skills: choose 3 from (Animal Handling, Athletics, Insight, Investigation, Nature, Perception, Stealth, Survival)
• Favored Enemy: choose 2 (2 humanoid types counts as 1 pick)
• Fighting Style: choose 1 from (Archery, Defense, Dueling, Two-Weapon Fighting)
• Spellcasting: choose 4 spells mixed between 1st and 2nd level
• Hunter's Prey (Hunter Archetype): choose 1 from (Colossus Slayer, Giant Killer, Horde Breaker)
• Ability Score Improvement: add +1 to each of two different stats or pick a feat
• Hitpoints: roll 5d10+10+(Con-mod*6) That would let you fill in everything else for that class already and let a player interested in playing a Ranger(Hunter) in your game quickly fill in the missing bits with their own choices. Depending on what character sheet you're using, you could have many of the above choices set up already with instruction to remove all but 1 of them. Would be a bit of work up front, but it might save a bunch of time at the table.