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