I’m not familiar with consoles. But, the Season Journey itself should be, if not exactly the same, similar. You might find this guide helpful:
I would should suggest a least a couple of rounds of Bounties to start with. (One round = all 5 Bounties in each of 5 Acts). You’ll need the Bounty Mats for crafting low-Level gear and extracting Powers in Kanai’s Cube. You need at least 40 Bounty Mats from each Act to complete the Season through Guardian Chapter. Doing a few rounds of Bounties will get you enough Mats to craft a couple of low-Level Sets until you earn your free Set for completing Chapters 1 through 4 and hit Level 70+. You’ll should also have at least three of each Bounty Mat to extract the three Powers to equip in Kanai’s Cube for your build. After that you can alternate between Bounties, Rifts and Greater Rifts as needed.
Then, you can concentrate on Rifts to collect XP, loot and Greater Rift Keystones. At Level 70 you can begin running Greater Rifts to collect your Legendary Gems and level them up.
Salvage anything you do not want to keep for Crafting Mats. Never sell items except those you cannot salvage. As you reach higher Game Difficulties, Gold will not be an issue.
Kanai’s Cube is found in a small square room in Act 3, Ruins of Sescheron, The Elder Sanctum (Ruins of Sescheron Level 2). Do not confuse this with another area in The Elder Sanctum called The Immortal Throne. Once you acquire Kanai’s Cube, you can use it to extract Legendary Powers from most Legendary items. You can then equip three of those Powers by selecting them in the Cube. You can select one Weapon Power, one Armor Power and one Jewelry Power.
You can also use Kanai’s Cube to reforge a Legendary item (reroll its Properties). You can upgrade Rare Level 70 items to Legendary items of the same type, convert Gems from one type to another, convert Crafting Mats, augment your Ancient items and much more. When you access Kanai’s Cube you’ll notice a small book icon to the right of the Transmute button. Click it to open the Recipe Book and “flip” through the pages to see all you can do and what it will cost in game currency.
For more information on Kanai’s Cube:
https://us.diablo3.com/en-us/game/guide/items/kanais-cube
Correct.
- Successfully complete the Greater Rift within the 15-minute time limit.
- Collect your Legendary Gems.
- Push to higher Level Greater Rifts.
- Level up your Legendary Gems with Urshi. (At Rank 25 you will gain both of their Powers).
- Get better gear from killing the Greater Rift Guardian.
- Get extra XP and Gold from Orek when you complete the Greater Rift.
Durability is how “worn out” or “damaged” your items are. You repair your gear at the Blacksmith for a modest Gold cost.
Good luck and good hunting! 
(Maskraider beat me to the post).