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