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