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