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