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