Full list of all 75 The Elder Scrolls V: Skyrim achievements. It takes around 200 hours to unlock all of the achievements in the base game on Windows.
The base game contains 50 achievements, and there are 3 DLC packs containing 25 achievements.
Complete "Bound Until Death"
Absorb 20 dragon souls
Complete "The Eye of Magnus"
Chop wood, mine ore, and cook food
Complete "Dragonslayer"
Complete "The Fallen"
Complete 50 Misc Objectives
Acquire a Daedric Artifact
Join the Stormcloaks or the Imperial Army
Complete "Revealing the Unseen"
Get a skill to 100
Find 13 Standing Stones
Reach Level 25
Discover 100 Locations
Complete "Elder Knowledge"
Make a smithed item, an enchanted item, and a potion
Join the Companions
Join the Thieves Guild
Complete "Alduin's Wall"
Complete "Diplomatic Immunity"
Get married
Reach Level 10
Buy a house
Learn all three words of a shout
Join the College of Winterhold
Join the Dark Brotherhood
Successfully persuade, bribe, and intimidate
Reach Level 5
Complete "The Way of the Voice"
Select a Standing Stone blessing
Absorb a dragon soul
Complete "Bleak Falls Barrow"
Complete "Unbound"
Become a member of the Circle
Complete "Glory of the Dead"
Complete "Darkness Returns"
Returned the Thieves Guild to its former glory
Complete "Hail Sithis!"
Capture Fort Sungard or Fort Greenwall
Capture Solitude or Windhelm
Complete 10 side quests
Pick 50 locks and 50 pockets
Escape from jail
Bounty of 1000 gold in all nine holds
Have 100,000 gold
Clear 50 dungeons
Read 50 Skill Books
Collect 15 Daedric Artifacts
Learn 20 shouts
Reach Level 50
Discover 30 locations on the island of Solstheim
Complete "At the Summit of Apocrypha"
Complete "The Path of Knowledge"
Complete "The Temple of Miraak"
Arrive on Solstheim
Learn all 3 words of Dragon Aspect
Learn the secrets of 5 Black Books
Craft an item out of Stalhrim
Tame and ride 5 dragons
Own a house in Raven Rock
Complete "Awakening"
Complete "Beyond Death"
Complete "Kindred Judgment"
Complete "Lost to the Ages"
Learn all three words of Soul Tear
Use the special power of Auriel's Bow
Acquire 11 werewolf perks
Acquire 11 vampire perks
Change your face
Defeat a Legendary Dragon
Adopt a child
Buy a plot of land
Build three wings on a house
Buy three plots of land
Build three houses