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