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