MHW: Iceborne Bow Equipment Progression Guide Step by Step (Recommended Playing) 

Timestamps Below
0:00 - Introduction
2:05 - Bow Favored Skills
7:10 - Low Rank Start
8:57 - Forge Defender Powerbow 1
10:30 - Pukei-Pukei Palico Gear Upgrade
13:02 - Ancient Tree Unlock
13:50 - Defender Powerbow 2 Upgrade
14:17 - Equipment Recap 1 - Basic Low Rank Set
14:50 - Health Booster Unlock (post Zorah Magdaros)
15:25 - Defense Charm and Basic Charms unlock
17:30 - Powercharm and Armorcharm Purchase
18:30 - Defender Powerbow 3 Upgrade
19:19 - High Rank Palico Gear
20:00 - Equipment Recap 2 - Entry Level High Rank Set
20:20 - High Rank Start and Equipment / Decoration Overview
22:40 - Attack Jewel 1 from Smithy
23:40 - ??? Rathian Quest Start
24:14 - Early High Rank Gear Upgrades including charms
27:40 - Defender Powerbow 4 Upgrade
28:40 - Nergigante Quest Start
29:00 - High Rank Luxury Set (Bow)
31:38 - Equipment Recap 3 - High Rank Luxury and Poverty Sets
32:40 - Defender Powerbow 5 Upgrade (Final)
33:20 - Surge Charm 2 Upgrade
33:45 - Power and Armorcharm Upgrades
34:50 - Final HR Elder Dragons (Including Fitness Charm)
36:30 - MHW Final Boss (Spoilers)
37:38 - Temporal Mantle Unlock Quest
38:15 - The Witcher Crossover Event (2nd Attack Jewel 1)
38:50 - Master Rank Start
39:57 - Expert Jewel+ 4 from Smithy
41:20 - Equipment Recap 4 - Entry Level Master Rank Gear
42:45 - Decoration Overview (Bow)
45:45 - Master Rank Bow Customization (Thunder Bow)
51:49 - Equipment Recap 5 - Custom Entry Level Master Rank
52:57 - Water Bow (Jyuratodus and Coral Pukei-Pukei)
54:14 - Barioth and Legiana Sets and Ice Bow
58:50 - Thunder Bow Final Upgrade (Odogaron)
59:11 - Nargacuga Set and Fire Bow (Glavenus)
1:02:00 - Equipment Recap 6: Narga/Barioth and Legiana/Barioth Sets
1:04:26 - Shrieking Legiana Ice Bow Upgrade
1:05:51 - Water Bow Final Upgrade (Acidic Glavenus)
1:06:49 - Fire Bow Final Upgrade and Death Garon Mail Forge (Ebony Odogaron)
1:08:18 - Velkhana Equipment Upgrades
1:12:02 - Namielle Equipment Upgrades
1:12:59 - Equipment Recap 7: Velkhana Namielle Set
1:13:19 - MHW: Iceborne Final Boss (Spoilers)
1:15:45 - Yian Garuga (Greaves Beta+)
1:16:51 - Silver Rathalos (very important)
1:20:00 - Safi'jiiva Questline
1:22:00 - Return to High Rank / Decoration Farming
1:23:03 - Final Weapon Recaps
1:24:54 - Final Armor Setups
Thanks for watching.